fix: #3441061 ListItemBase::storageSettingsForm() 'allowed_values' form element is missing a #type

    $wrapper_id = Html::getUniqueId('allowed-values-wrapper');

    $element['allowed_values'] = [

      '#type' => 'container',

      '#element_validate' => [[static::class, 'validateAllowedValues']],

      '#field_has_data' => $has_data,

      '#allowed_values' => $allowed_values,

      '#required' => TRUE,

      '#prefix' => '<div id="' . $wrapper_id . '">',

      '#suffix' => '</div>',

      '#id' => $wrapper_id,

      '#access' => empty($allowed_values_function),

      'help_text' => ['#markup' => $this->allowedValuesDescription()],

    ];