The PipeWire camera will enumerate the pipewire Video/Source nodes with
their formats.

When capturing is started, a stream to the node will be created and
frames will be captured.

If it fails, we fall back to the next one, which is v4l2.

Move the common formats outside of the ifdef

Remove the custom server version check. We can easily do this as part of
starting the hotplug loop. Check that we are at least running against a
1.0.0 server.

Log the compiled, linked, server and required versions.

Check that we are compiled and linked with the right version before using
the time symbol of a struct.