refactor(FoldersSidebar): reorganize button and notes count display for improved layout and accessibility

src/components/notes/FoldersSidebar.tsx

@@ -145,12 +145,7 @@ function FolderItem({
           })()}
         <span className="flex-1 text-sm truncate">{folder.name}</span>
 
-        {folder.notesCount !== undefined && folder.notesCount > 0 && (
-          <span className="text-xs text-[var(--muted-foreground)]">
-            {folder.notesCount}
-          </span>
-        )}
-
+        <div className="flex items-center justify-end gap-2 min-w-[2rem]">
           <div className="opacity-0 group-hover:opacity-100 transition-opacity flex items-center gap-1">
             <button
               onClick={handleEdit}
@@ -167,6 +162,12 @@ function FolderItem({
               <Trash2 className="w-3 h-3" />
             </button>
           </div>
+          {folder.notesCount !== undefined && folder.notesCount > 0 && (
+            <span className="text-xs text-[var(--muted-foreground)]">
+              {folder.notesCount}
+            </span>
+          )}
+        </div>
       </div>
 
       {hasChildren && isExpanded && (