Fix extra dropdown element

src-web/components/Workspace.tsx

@@ -48,7 +48,7 @@ export default function Workspace() {
           className="pointer-events-none px-3 bg-gray-50 text-gray-900 border-b border-b-gray-200 pt-[1px]"
           alignItems="center"
         >
-          <div className="flex-1 -ml-2">
+          <div className="flex-1 -ml-2 pointer-events-none">
             <WorkspaceDropdown className="pointer-events-auto" />
           </div>
           <div className="flex-[2] text-center text-gray-700 text-sm truncate">

src-web/components/core/Dropdown.tsx

@@ -54,12 +54,12 @@ export function Dropdown({ children, items }: DropdownProps) {
   }, [ref.current, open]);
 
   return (
-    <div className="pointer-events-auto">
+    <>
       {child}
       {open && triggerRect && (
         <Menu items={items} triggerRect={triggerRect} onClose={handleClose} />
       )}
-    </div>
+    </>
   );
 }