applet: Fix code style
Factored out and further worked on from !94.
I wonder, if it makes sense to keep "0" key on a mute? It duplicates the "M" key, and also there's no way to set 100%.
Factored out and further worked on from !94.
I wonder, if it makes sense to keep "0" key on a mute? It duplicates the "M" key, and also there's no way to set 100%.