Issue #2370115 by Upchuk, nafsinvk, jibran: Clicking 'Add to shortcuts' adds...

Issue #2370115 by Upchuk, nafsinvk, jibran: Clicking 'Add to shortcuts' adds shortcut multiple times

core/modules/shortcut/src/ShortcutForm.php

@@ -19,6 +19,16 @@ class ShortcutForm extends ContentEntityForm {
    */
   protected $entity;
 
+  /**
+   * {@inheritdoc}
+   */
+  public function form(array $form, FormStateInterface $form_state) {
+    $form = parent::form($form, $form_state);
+    $form['#attached']['library'][] = 'core/drupal.form';
+
+    return $form;
+  }
+
   /**
    * {@inheritdoc}
    */