add window ext trait

packages/desktop/src/menubar.rs

@@ -15,6 +15,9 @@ mod impl_ {
 
     #[allow(unused)]
     pub fn build_menu_bar(menu: Menu, window: &Window) {
+        #[cfg(target_os = "windows")]
+        use tao::platform::windows::WindowExtWindows;
+
         #[cfg(target_os = "windows")]
         menu.init_for_hwnd(window.hwnd());