ft: mute_active overhaul

no longer toggles grey shader, just makes the border grey
+ fixed mute_active dunst notif
+ keybinds

modules/desktop/hypr-plugins.nix

@@ -32,8 +32,6 @@ in
     ];
 
     window_rule = [
-      { match.tag = "shader/muted"; "darkwindow:shade" = "grey";}
-      { match.tag = "muted"; "darkwindow:shade" = "grey";}
     ] ++ map (name: { match.tag = "shader/${name}"; "darkwindow:shade" = "${name}";}) shaders;
   };