fix: only call popup closecallback for top-level menu (#49017)

shell/browser/ui/cocoa/electron_menu_controller.mm

@@ -563,7 +563,14 @@ NSArray* ConvertSharingItemToNS(const SharingItem& item) {
 }
 
 - (void)menuDidClose:(NSMenu*)menu {
-  if (isMenuOpen_) {
+  // If the menu is already closed, do nothing.
+  if (!isMenuOpen_)
+    return;
+
+  // We should only respond to the top-level menu's close event.
+  if (menu != menu_)
+    return;
+
   isMenuOpen_ = NO;
   if (model_)
     model_->MenuWillClose();
@@ -573,7 +580,6 @@ NSArray* ConvertSharingItemToNS(const SharingItem& item) {
     content::GetUIThreadTaskRunner({})->PostTask(FROM_HERE,
                                                  std::move(closeCallback));
   }
-  }
 }
 
 // NSSharingServiceDelegate