LibGUI+VisualBuilder: Add move-to-front/back to GCommonActions

Also give them nice little icons. :^)

DevTools/VisualBuilder/VBForm.cpp

@@ -27,11 +27,11 @@ VBForm::VBForm(const String& name, GWidget* parent)
     set_greedy_for_hits(true);
 
     m_context_menu = make<GMenu>();
-    m_context_menu->add_action(GAction::create("Move to front", [this](auto&) {
+    m_context_menu->add_action(GCommonActions::make_move_to_front_action([this](auto&) {
         if (auto* widget = single_selected_widget())
             widget->gwidget()->move_to_front();
     }));
-    m_context_menu->add_action(GAction::create("Move to back", [this](auto&) {
+    m_context_menu->add_action(GCommonActions::make_move_to_back_action([this](auto&) {
         if (auto* widget = single_selected_widget())
             widget->gwidget()->move_to_back();
     }));

Libraries/LibGUI/GAction.cpp

@@ -6,6 +6,16 @@
 
 namespace GCommonActions {
 
+NonnullRefPtr<GAction> make_move_to_front_action(Function<void(GAction&)> callback, GWidget* widget)
+{
+    return GAction::create("Move to front", { Mod_Ctrl | Mod_Shift, Key_Up }, GraphicsBitmap::load_from_file("/res/icons/16x16/move-to-front.png"), move(callback), widget);
+}
+
+NonnullRefPtr<GAction> make_move_to_back_action(Function<void(GAction&)> callback, GWidget* widget)
+{
+    return GAction::create("Move to back", { Mod_Ctrl | Mod_Shift, Key_Down }, GraphicsBitmap::load_from_file("/res/icons/16x16/move-to-back.png"), move(callback), widget);
+}
+
 NonnullRefPtr<GAction> make_undo_action(Function<void(GAction&)> callback, GWidget* widget)
 {
     return GAction::create("Undo", { Mod_Ctrl, Key_Z }, GraphicsBitmap::load_from_file("/res/icons/16x16/undo.png"), move(callback), widget);

Libraries/LibGUI/GAction.h

@@ -25,6 +25,8 @@ NonnullRefPtr<GAction> make_cut_action(Function<void(GAction&)>, GWidget* widget
 NonnullRefPtr<GAction> make_copy_action(Function<void(GAction&)>, GWidget* widget = nullptr);
 NonnullRefPtr<GAction> make_paste_action(Function<void(GAction&)>, GWidget* widget = nullptr);
 NonnullRefPtr<GAction> make_delete_action(Function<void(GAction&)>, GWidget* widget = nullptr);
+NonnullRefPtr<GAction> make_move_to_front_action(Function<void(GAction&)>, GWidget* widget = nullptr);
+NonnullRefPtr<GAction> make_move_to_back_action(Function<void(GAction&)>, GWidget* widget = nullptr);
 NonnullRefPtr<GAction> make_quit_action(Function<void(GAction&)>);
 };