Draft: connection: print elements of arrays with element-type
If the array has an element-type specified in the xml, use this to print the values of the array in WAYLAND_DEBUG=1 output.
This is a more involved change to review so I've separated it out from the hopefully uncontroversial !300.
Depends on !300 and is thus marked as a draft until that is merged.
Signed-off-by: Isaac Freund mail@isaacfreund.com