### 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
ConfirmationDialog::_post_popup();
	layout_names->clear();
	name->clear();
	Ref<ConfigFile> config;
	config.instantiate();
	Error err = config->load(EditorSettings::get_singleton()->get_editor_layouts_config());
	if (err != OK) {
		return;
	}
	List<String> layouts;
	config.ptr()->get_sections(&layouts);
	for (const String &E : layouts) {
		layout_names->add_item(E);
	}
	if (name->is_visible()) {
		name->grab_focus();
	} else {
		layout_names->grab_focus();
	}
}
EditorLayoutsDialog::EditorLayoutsDialog() {