Working ajax form with multiple commands in response

ajaxForm.php

/**
   * AJAX process step
   */
  public function processStep(array &$form, FormStateInterface $form_state) {
    
    $ajax_response = new AjaxResponse();
    $ajax_response->addCommand(new ReplaceCommand(
      'h1.page-title',
      '<h1 class="page-title">' . $this->getTitle() . '</h1>'
    ));
    // This is necessary to attach settings
    $elements = $form;
    \Drupal::service('renderer')->renderRoot($elements);
    $ajax_response->addCommand(new SettingsCommand(
      $elements['#attached']['drupalSettings'],
      TRUE
    ));
    $ajax_response->addCommand(new ReplaceCommand(
      '#stepped-search-wrapper',
      \Drupal::service('renderer')->renderRoot($form)
    ));
    return $ajax_response;
  }