fix(ags media-player): wrap in Box to have correct margin

config/ags/js/media-player/player.js

@@ -83,8 +83,9 @@ const PlayerBox = player => mpris.CoverArt(player, {
   ],
 });
 
-export default () => PlayerGesture({
+export default () => Box({
   className: 'media',
+  child: PlayerGesture({
     properties: [
       ['players', new Map()],
       ['setup', false],
@@ -134,4 +135,5 @@ export default () => PlayerGesture({
           overlay.reorder_overlay(overlay._selected, -1);
       }, 'player-closed'],
     ],
-})
+  }),
+});