fix: avoid losing focus on inputs when opening menu (Windows/Linux) (#19707)

* remove cause of issue

* remove comment

atom/browser/ui/views/menu_bar.cc

@@ -252,9 +252,6 @@ void MenuBar::OnMenuButtonClicked(views::MenuButton* source,
     return;
   }
 
-  GetFocusManager()->SetFocusedViewWithReason(
-      source, views::FocusManager::kReasonFocusTraversal);
-
   // Deleted in MenuDelegate::OnMenuClosed
   MenuDelegate* menu_delegate = new MenuDelegate(this);
   menu_delegate->RunMenu(menu_model_->GetSubmenuModelAt(id), source,