Edit file in /usr/share/alsa-card-profile/mixer/paths/analog-output.conf.common
Add this line before the [Element PCM] block
[Element Master]
switch = mute
volume = ignore
and restart pipewire or pulseaudio
for pipewire:
systemctl --user restart pipewire.service
for pulseaudio:
pulseaudio -k
pulseaudio --start