Fixes for tests

src/lib/components/library/LibraryGrid.svelte

@@ -10,10 +10,11 @@
     loading?: boolean;
     showViewToggle?: boolean;
     forceGrid?: boolean;
+    musicContent?: boolean;
     onItemClick?: (item: MediaItem | Library) => void;
   }
 
-  let { items, title, loading = false, showViewToggle = true, forceGrid = false, onItemClick }: Props = $props();
+  let { items, title, loading = false, showViewToggle = true, forceGrid = false, musicContent = false, onItemClick }: Props = $props();
 </script>
 
 <div class="space-y-4">
@@ -54,7 +55,7 @@
     <div class="flex gap-4 overflow-hidden">
       {#each Array(6) as _}
         <div class="w-36 flex-shrink-0 animate-pulse">
-          <div class="aspect-[2/3] bg-[var(--color-surface)] rounded-lg"></div>
+          <div class="{musicContent ? 'aspect-square' : 'aspect-[2/3]'} bg-[var(--color-surface)] rounded-lg"></div>
           <div class="mt-2 h-4 bg-[var(--color-surface)] rounded w-3/4"></div>
           <div class="mt-1 h-3 bg-[var(--color-surface)] rounded w-1/2"></div>
         </div>