Add workspace app icon side-effects and add wiki link for settings. (#387)

* Add side-effect for app icons for workspaces and udated mpris types.

* Add links to workspace icon toggles.

* Add subtitle

modules/menus/media/components/helpers.ts

@@ -46,6 +46,9 @@ export const initializeActivePlayerHook = (): void => {
     });
 };
 
-export const getPlayerInfo = (): MprisPlayer => {
+export const getPlayerInfo = (): MprisPlayer | undefined => {
+    if (media.players.length === 0) {
+        return;
+    }
     return media.players.find((p) => p.bus_name === curPlayer.value) || media.players[0];
 };