feat: adjust styling of PlacedSoundItem for improved positioning and visual consistency

src/components/sequencer/SequencerCanvas.tsx

@@ -69,11 +69,13 @@ function PlacedSoundItem({ sound, zoom, trackId, onRemove }: PlacedSoundItemProp
         position: 'absolute',
         left: `${left}px`,
         width: `${width}px`,
+        top: '8px',
+        bottom: '8px',
       }}
       {...listeners}
       {...attributes}
       className={`
-        h-12 bg-primary/20 border-2 border-primary/40 rounded
+        bg-primary/20 border-2 border-primary/40 rounded
         flex items-center justify-between px-2 text-xs
         cursor-grab active:cursor-grabbing
         hover:bg-primary/30 hover:border-primary/60