Blue 2-1 Z2M not correctly reporting switch state in dimming mode

This will get fixed in the next release of z2m. You could either update early via github or manually configure the reporting options in z2m for the swtich. Details here: Inovelli VZ32sn (Blue 2-1 switch) not reporting correct switch state · Issue #14911 · Koenkk/zigbee2mqtt · GitHub