### 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
_update_add_type_options(p_value);
}
void ThemeTypeDialog::_add_type_options_cbk(int p_index) {
	add_type_filter->set_text(add_type_options->get_item_text(p_index));
}
void ThemeTypeDialog::_add_type_dialog_entered(const String &p_value) {
	_add_type_selected(p_value.strip_edges());
}
void ThemeTypeDialog::_add_type_dialog_activated(int p_index) {
	_add_type_selected(add_type_options->get_item_text(p_index));
}
void ThemeTypeDialog::_add_type_selected(const String &p_type_name) {
	pre_submitted_value = p_type_name;
	if (p_type_name.is_empty()) {
		add_type_confirmation->popup_centered();
		return;
	}
	_add_type_confirmed();
}
void ThemeTypeDialog::_add_type_confirmed() {