1. Allow hover buttons on home sreen - e.g. for pinned radio stations.
2. Fix accessing undefined item.menu
3. Allow dragging favourites into folders even if set to sort favourite list.
4. Pulse volume button, or label, if volume is 0% and currently playing.
5. Fix volume label highlight if using coloured toolbars.
6. Highlight player name in toolbar on mouse-over.
7. Highlight mobile bottom nav buttons on mouse-over.
8. Fix colours of buttom nav when using coloured toolbars.