### Godot version

4.1.1

### System information

linux

### Issue description

[simplescreenrecorder-2023-08-30_15.01.51.webm](https://github.com/godotengine/godot-proposals/assets/71937306/537d92b9-4f98-4fe6-adf4-71297be0471a)

I guess this wasn't the case before since I could save a layout named "2 monitors".

### Steps to reproduce

press space

### Minimal reproduction project

none
emit_signal(SNAME("type_selected"), pre_submitted_value);
	hide();
}
void ThemeTypeDialog::_notification(int p_what) {
	switch (p_what) {
		case NOTIFICATION_ENTER_TREE: {
			connect("about_to_popup", callable_mp(this, &ThemeTypeDialog::_dialog_about_to_show));
			[[fallthrough]];
		}
		case NOTIFICATION_THEME_CHANGED: {
			_update_add_type_options();
		} break;
		case NOTIFICATION_VISIBILITY_CHANGED: {
			if (is_visible()) {
				add_type_filter->grab_focus();
			}
		} break;
	}
}
void ThemeTypeDialog::_bind_methods() {
	ADD_SIGNAL(MethodInfo("type_selected", PropertyInfo(Variant::STRING, "type_name")));
}
void ThemeTypeDialog::set_edited_theme(const Ref<Theme> &p_theme) {
	edited_theme = p_theme;
}
void ThemeTypeDialog::set_include_own_types(bool p_enable) {