title: Added new action in get_bulk_actions() of WP_List_Table. How to make it as default option?
body: <p>I have added a new action as below :</p>
  
  <pre><code> function get_bulk_actions() {
      $actions = array(
          'bulkemail'    =&gt; 'Bulk Email',
      );
      return $actions;
  }
  </code></pre>
  
  <p>I want this Bulk Email as default selected value. How to achieve this?</p>