The audio sink selected by default on h3ulcb-kf may not produce audio on the stereo jack on the h3ulcb board.
Two consecutive boots both on Qt and Flutter image did not choose the correct audio sink.
Reflashed the microsd multiple times and the results are inconsistent as it could also pick the right one.
There are multiple "Built-in Audio Stereo" sinks.
Switching it with `wpctl set-default` works fine.
Logs attached from the runs that picked up the wrong one by default.