wpctl status no longer shows default state for virtual sources
pw-metadata | grep audio.source
update: id:0 key:'default.configured.audio.source' value:'{ "name": "M4_FL" }' type:'Spa:String:JSON'
update: id:0 key:'default.audio.source' value:'{ "name": "M4_FL" }' type:'Spa:String:JSON'
but
# wpctl status
...
├─ Sources:
│ 44. M4 FL [vol: 1.00]
...