/**
 * Implements hook_form_FORM_ID_alter().
 *
 * Specifically get the view content page form, look for the bulk field in the header, and add a non-item as default
 */
function HOOK_form_views_form_content_page_1_alter(&$form, \Drupal\Core\Form\FormStateInterface $form_state) {
  if (isset($form['header']['node_bulk_form']['action']['#type']) && $form['header']['node_bulk_form']['action']['#type'] === 'select') {
    $form['header']['node_bulk_form']['action']['#options'] = array('' => '- Select Action -') + $form['header']['node_bulk_form']['action']['#options'];
  }
}