pipewire-cli: Introduce an improved object dump method

The dump method can dump objects in a manner that is easy
for humans to parse and understand.

For instance a simple command (on a vanilla NUC2):

	pipewire-0>>dump -sd Device

	23: c="Audio/Device" n="alsa_card.pci-0000:00:03.0" d="Built-in Audio" a="alsa:pcm" p="hw:0" id="HDMI"
		nodes:
		24: s="suspended" i=2/128 n="api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 0" p="alsa:pcm:hw:0,3:playback"
			ports:
			31: d="input" n="playback_FL" f="32 bit float mono audio"
			32: d="input" n="playback_FR" f="32 bit float mono audio"
		25: s="suspended" i=2/128 n="api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 1" p="alsa:pcm:hw:0,7:playback"
			ports:
			33: d="input" n="playback_FL" f="32 bit float mono audio"
			34: d="input" n="playback_FR" f="32 bit float mono audio"
		26: s="suspended" i=2/128 n="api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 2" p="alsa:pcm:hw:0,8:playback"
			ports:
			35: d="input" n="playback_FL" f="32 bit float mono audio"
			36: d="input" n="playback_FR" f="32 bit float mono audio"
		27: s="suspended" i=2/128 n="api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 3" p="alsa:pcm:hw:0,9:playback"
			ports:
			37: d="input" n="playback_FL" f="32 bit float mono audio"
			38: d="input" n="playback_FR" f="32 bit float mono audio"
		43: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 0/Multimedia" p="alsa:pcm:hw:0,3:playback:Multimedia"
			ports:
			44: d="input" n="in_FL" f="32 bit float mono audio"
			45: d="output" n="out_FL" f="32 bit float mono audio"
			106: d="output" n="out_FR" f="32 bit float mono audio"
			107: d="input" n="in_FR" f="32 bit float mono audio"
		46: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 0/Navigation" p="alsa:pcm:hw:0,3:playback:Navigation"
			ports:
			47: d="input" n="in_FL" f="32 bit float mono audio"
			48: d="output" n="out_FL" f="32 bit float mono audio"
			108: d="output" n="out_FR" f="32 bit float mono audio"
			109: d="input" n="in_FR" f="32 bit float mono audio"
		49: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 0/Communication" p="alsa:pcm:hw:0,3:playback:Communication"
			ports:
			50: d="input" n="in_FL" f="32 bit float mono audio"
			51: d="output" n="out_FL" f="32 bit float mono audio"
			110: d="output" n="out_FR" f="32 bit float mono audio"
			111: d="input" n="in_FR" f="32 bit float mono audio"
		52: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 0/Emergency" p="alsa:pcm:hw:0,3:playback:Emergency"
			ports:
			53: d="input" n="in_FL" f="32 bit float mono audio"
			54: d="output" n="out_FL" f="32 bit float mono audio"
			112: d="output" n="out_FR" f="32 bit float mono audio"
			113: d="input" n="in_FR" f="32 bit float mono audio"
		55: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 1/Multimedia" p="alsa:pcm:hw:0,7:playback:Multimedia"
			ports:
			56: d="input" n="in_FL" f="32 bit float mono audio"
			57: d="output" n="out_FL" f="32 bit float mono audio"
			114: d="output" n="out_FR" f="32 bit float mono audio"
			115: d="input" n="in_FR" f="32 bit float mono audio"
		58: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 1/Navigation" p="alsa:pcm:hw:0,7:playback:Navigation"
			ports:
			59: d="input" n="in_FL" f="32 bit float mono audio"
			60: d="output" n="out_FL" f="32 bit float mono audio"
			116: d="output" n="out_FR" f="32 bit float mono audio"
			117: d="input" n="in_FR" f="32 bit float mono audio"
		61: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 1/Communication" p="alsa:pcm:hw:0,7:playback:Communication"
			ports:
			62: d="input" n="in_FL" f="32 bit float mono audio"
			63: d="output" n="out_FL" f="32 bit float mono audio"
			118: d="output" n="out_FR" f="32 bit float mono audio"
			119: d="input" n="in_FR" f="32 bit float mono audio"
		64: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 1/Emergency" p="alsa:pcm:hw:0,7:playback:Emergency"
			ports:
			65: d="input" n="in_FL" f="32 bit float mono audio"
			66: d="output" n="out_FL" f="32 bit float mono audio"
			120: d="output" n="out_FR" f="32 bit float mono audio"
			121: d="input" n="in_FR" f="32 bit float mono audio"
		67: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 2/Multimedia" p="alsa:pcm:hw:0,8:playback:Multimedia"
			ports:
			68: d="input" n="in_FL" f="32 bit float mono audio"
			69: d="output" n="out_FL" f="32 bit float mono audio"
			122: d="output" n="out_FR" f="32 bit float mono audio"
			123: d="input" n="in_FR" f="32 bit float mono audio"
		70: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 2/Navigation" p="alsa:pcm:hw:0,8:playback:Navigation"
			ports:
			71: d="input" n="in_FL" f="32 bit float mono audio"
			72: d="output" n="out_FL" f="32 bit float mono audio"
			124: d="output" n="out_FR" f="32 bit float mono audio"
			125: d="input" n="in_FR" f="32 bit float mono audio"
		73: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 2/Communication" p="alsa:pcm:hw:0,8:playback:Communication"
			ports:
			74: d="input" n="in_FL" f="32 bit float mono audio"
			75: d="output" n="out_FL" f="32 bit float mono audio"
			126: d="output" n="out_FR" f="32 bit float mono audio"
			127: d="input" n="in_FR" f="32 bit float mono audio"
		76: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 2/Emergency" p="alsa:pcm:hw:0,8:playback:Emergency"
			ports:
			77: d="input" n="in_FL" f="32 bit float mono audio"
			78: d="output" n="out_FL" f="32 bit float mono audio"
			128: d="output" n="out_FR" f="32 bit float mono audio"
			129: d="input" n="in_FR" f="32 bit float mono audio"
		79: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 3/Multimedia" p="alsa:pcm:hw:0,9:playback:Multimedia"
			ports:
			80: d="input" n="in_FL" f="32 bit float mono audio"
			81: d="output" n="out_FL" f="32 bit float mono audio"
			130: d="output" n="out_FR" f="32 bit float mono audio"
			131: d="input" n="in_FR" f="32 bit float mono audio"
		82: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 3/Navigation" p="alsa:pcm:hw:0,9:playback:Navigation"
			ports:
			83: d="input" n="in_FL" f="32 bit float mono audio"
			84: d="output" n="out_FL" f="32 bit float mono audio"
			132: d="output" n="out_FR" f="32 bit float mono audio"
			133: d="input" n="in_FR" f="32 bit float mono audio"
		85: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 3/Communication" p="alsa:pcm:hw:0,9:playback:Communication"
			ports:
			86: d="input" n="in_FL" f="32 bit float mono audio"
			87: d="output" n="out_FL" f="32 bit float mono audio"
			134: d="output" n="out_FR" f="32 bit float mono audio"
			135: d="input" n="in_FR" f="32 bit float mono audio"
		88: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:03.0/HDMI 3/Emergency" p="alsa:pcm:hw:0,9:playback:Emergency"
			ports:
			89: d="input" n="in_FL" f="32 bit float mono audio"
			90: d="output" n="out_FL" f="32 bit float mono audio"
			136: d="output" n="out_FR" f="32 bit float mono audio"
			137: d="input" n="in_FR" f="32 bit float mono audio"
	28: c="Audio/Device" n="alsa_card.pci-0000:00:1b.0" d="Built-in Audio" a="alsa:pcm" p="hw:1" id="PCH"
		nodes:
		29: s="running" i=2/128 n="api.alsa.pcm.sink/alsa_card.pci-0000:00:1b.0/ALC283 Analog" p="alsa:pcm:hw:1,0:playback"
			ports:
			39: d="input" n="playback_FL" f="32 bit float mono audio"
			40: d="input" n="playback_FR" f="32 bit float mono audio"
		30: s="suspended" o=2/128 n="api.alsa.pcm.source/alsa_card.pci-0000:00:1b.0/ALC283 Analog" p="alsa:pcm:hw:1,0:capture"
			ports:
			41: d="output" n="capture_FL" f="32 bit float mono audio"
			42: d="output" n="capture_FR" f="32 bit float mono audio"
		91: s="running" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:1b.0/ALC283 Analog/Multimedia" p="alsa:pcm:hw:1,0:playback:Multimedia"
			ports:
			92: d="input" n="in_FL" f="32 bit float mono audio"
			93: d="output" n="out_FL" f="32 bit float mono audio"
			138: d="output" n="out_FR" f="32 bit float mono audio"
			139: d="input" n="in_FR" f="32 bit float mono audio"
		94: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:1b.0/ALC283 Analog/Navigation" p="alsa:pcm:hw:1,0:playback:Navigation"
			ports:
			95: d="input" n="in_FL" f="32 bit float mono audio"
			96: d="output" n="out_FL" f="32 bit float mono audio"
			140: d="output" n="out_FR" f="32 bit float mono audio"
			141: d="input" n="in_FR" f="32 bit float mono audio"
		97: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:1b.0/ALC283 Analog/Communication" p="alsa:pcm:hw:1,0:playback:Communication"
			ports:
			98: d="input" n="in_FL" f="32 bit float mono audio"
			99: d="output" n="out_FL" f="32 bit float mono audio"
			142: d="output" n="out_FR" f="32 bit float mono audio"
			143: d="input" n="in_FR" f="32 bit float mono audio"
		100: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.sink/alsa_card.pci-0000:00:1b.0/ALC283 Analog/Emergency" p="alsa:pcm:hw:1,0:playback:Emergency"
			ports:
			101: d="input" n="in_FL" f="32 bit float mono audio"
			102: d="output" n="out_FL" f="32 bit float mono audio"
			144: d="output" n="out_FR" f="32 bit float mono audio"
			145: d="input" n="in_FR" f="32 bit float mono audio"
		103: s="suspended" i=2/128 o=2/128 n="audio.convert/api.alsa.pcm.source/alsa_card.pci-0000:00:1b.0/ALC283 Analog/Capture" p="alsa:pcm:hw:1,0:capture:Capture"
			ports:
			104: d="input" n="in_FL" f="32 bit float mono audio"
			105: d="output" n="out_FL" f="32 bit float mono audio"
			146: d="input" n="in_FR" f="32 bit float mono audio"
			147: d="output" n="out_FR" f="32 bit float mono audio"

Will dump the devices, while following to dump nodes and ports
of the nodes.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
2 jobs for kg-master in 1 minute and 35 seconds