port from pulseaudio to pipewire for audio support

Should we no longer install alsa-utils by default? Probably no longer required. Qubes Debian does not have it either.

It might be the source for some journal errors.

alsactl[624]: alsa-lib main.c:1541:(snd_use_case_mgr_open) error: failed to import hw:0 use case configuration -2

alsactl[624]: /usr/sbin/alsactl: set_control:1339: failed to obtain info for control #29 (No such file or directory)

(udev-worker)[541]: controlC0: Process ‘/usr/sbin/alsactl -E HOME=/run/alsa -E XDG_RUNTIME_DIR=/run/alsa/runtime restore 0’ failed with exit code 99.