Issue #2767779: Fix Field Caching for formatter - third_party_settings

   *   The list of formatters.

   */

  protected function addCacheMaxAge(OfficeHoursItemListInterface $items, array &$elements) {

    $field_definition = $items->getFieldDefinition();

    $settings = $this->getSettings();

    $third_party_settings = $this->getThirdPartySettings();

    $max_age = $items->getCacheTime($settings, $this->getFieldSettings());

    $max_age = $items->getCacheTime($settings, $this->getFieldSettings(), $third_party_settings);

    if ($max_age !== Cache::PERMANENT) {

      $entity = $items->getEntity();

      $cache_tags = $entity->getEntityTypeId() . ':' . $entity->id();

      $elements['#cache'] = [

        'max-age' => $items->getCacheTime($settings, $this->getFieldSettings()),

        'max-age' => $max_age,

        // @see https://www.drupal.org/docs/drupal-apis/cache-api/cache-tags

        'tags' => [$cache_tags],

      ];