SQLStudio: Propagate errors from MainWidget::initialize_menubar()

Author: https://github.com/krkk
Commit: 83af64f053
Pull-request: https://github.com/SerenityOS/serenity/pull/18410
Reviewed-by: https://github.com/AtkinsSJ

Userland/DevTools/SQLStudio/main.cpp

@@ -31,7 +31,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     window->set_title("SQL Studio");
 
     auto main_widget = TRY(window->set_main_widget<MainWidget>());
-    main_widget->initialize_menu(window);
+    TRY(main_widget->initialize_menu(window));
 
     window->on_close_request = [&] {
         if (main_widget->request_close())