Userland: Let applications make use of make_command_palette_action()

Author: https://github.com/demostanis
Commit: 34acae90c7
Pull-request: https://github.com/SerenityOS/serenity/pull/15596
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/linusg

Userland/Applications/Magnifier/main.cpp

@@ -206,6 +206,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     TRY(accessibility_menu->try_add_action(achromatomaly_accessibility_action));
 
     auto help_menu = TRY(window->try_add_menu("&Help"));
+    help_menu->add_action(GUI::CommonActions::make_command_palette_action(window));
     help_menu->add_action(GUI::CommonActions::make_about_action("Magnifier", app_icon, window));
 
     window->show();