fix: align mobile playlist panel with player

Author: matsuzaka-yuki

src/components/widgets/music-player/organisms/Playlist.svelte

@@ -60,15 +60,15 @@
 		.playlist-panel {
 			width: 280px !important;
 			max-width: 280px !important;
-			right: 0 !important;
+			right: 0.5rem !important;
 		}
 	}
 
 	@media (max-width: 480px) {
 		.playlist-panel {
 			width: 260px !important;
 			max-width: 260px !important;
-			right: 0 !important;
+			right: 0.5rem !important;
 		}
 	}
 </style>