Issue #3313342 by Rajeshreeputra, idimopoulos, claudiu.cristea, deepakkm,...

   * {@inheritdoc}

   */

  public function getContext() {

    return 'is_layout_builder_ui.' . (int) !str_starts_with($this->routeMatch->getRouteName(), 'layout_builder.');

    $route_name = $this->routeMatch->getRouteName();

    if ($route_name && str_starts_with($route_name, 'layout_builder.')) {

      return 'is_layout_builder_ui.0';

    }

    return 'is_layout_builder_ui.1';

  }

}