Add an actions_no_dropbutton Element to render form actions without the dropbutton

ActionsNoDropButton.php

<?php
namespace Drupal\et_article\Element;

use Drupal\Core\Render\Element\Actions;

/**
 * Provides a wrapper element to render buttons for a form.
 *
 * Usage example:
 * @code
 * $form['actions'] = array('#type' => 'actions_no_dropbutton');
 * $form['actions']['submit'] = array(
 *   '#type' => 'submit',
 *   '#value' => $this->t('Save'),
 * );
 * @endcode
 *
 * @RenderElement("actions_no_dropbutton")
 */
class ActionsNoDropButton extends Actions {

  /**
   * {@inheritdoc}
   */
  public function getInfo() {
    $info = parent::getInfo();
    // Unset the Actions::preRenderActionsDropbutton process callback.
    foreach ($info['#process'] as $key => $process) {
      if ($process[1] == 'preRenderActionsDropbutton') {
        unset($info['#process'][$key]);
        break;
      }
    }
    return $info;
  }
}

Usage

<?php

// Change the type of the actions.
$form['actions']['#type'] = 'actions_no_dropbutton';

Screenshot

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