LibGUI+Applications: Port SettingsWindow::add_tab() to the new string

Author: https://github.com/krkk
Commit: 446c600d09
Pull-request: https://github.com/SerenityOS/serenity/pull/17800
Reviewed-by: https://github.com/AtkinsSJ
Reviewed-by: https://github.com/awesomekling

Userland/Applications/KeyboardSettings/main.cpp

@@ -35,7 +35,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto window = TRY(GUI::SettingsWindow::create("Keyboard Settings"));
     window->set_icon(app_icon.bitmap_for_size(16));
-    auto keyboard_settings_widget = TRY(window->add_tab<KeyboardSettingsWidget>("Keyboard"sv, "keyboard"sv));
+    auto keyboard_settings_widget = TRY(window->add_tab<KeyboardSettingsWidget>(TRY("Keyboard"_string), "keyboard"sv));
     window->set_active_tab(selected_tab);
 
     window->on_active_window_change = [&](bool is_active_window) {