Issue #3446940: Fixes error accurring on Views VBO actions.

.gitignore

+.idea/
\ No newline at end of file

composer.json

@@ -9,6 +9,6 @@
         }
     ],
     "require": {
-        "drupal/pluginformalter": "^1.0"
+        "drupal/pluginformalter": "^1.7"
     }
 }

src/Plugin/Field/FieldWidget/EntityOptionsWidget.php

@@ -58,7 +58,7 @@ class EntityOptionsWidget extends WidgetBase {
    * {@inheritdoc}
    */
   public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
-    $entity = $form_state->getFormObject()->getEntity();
+    $entity = $items->getEntity();
     if ($entity->getEntityType()->hasKey('bundle')) {
       $type = $entity->get($entity->getEntityType()->getKey('bundle'))->entity;
     }