### 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
edited_type = theme_type_list->get_item_text(p_index);
	_update_type_items();
}
void ThemeTypeEditor::_add_type_button_cbk() {
	add_type_mode = ADD_THEME_TYPE;
	add_type_dialog->set_title(TTR("Add Item Type"));
	add_type_dialog->set_ok_button_text(TTR("Add Type"));
	add_type_dialog->set_include_own_types(false);
	add_type_dialog->popup_centered(Size2(560, 420) * EDSCALE);
}
void ThemeTypeEditor::_add_default_type_items() {