Restrict buttons to node forms

Closes #3376414

modules/openai_content/openai_content.module

@@ -8,20 +8,19 @@
 use Drupal\Component\Utility\Unicode;
 use Drupal\Core\Ajax\AjaxResponse;
 use Drupal\Core\Ajax\HtmlCommand;
-use Drupal\Core\Entity\ContentEntityFormInterface;
 use Drupal\Core\Entity\ContentEntityInterface;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\StringTranslation\TranslatableMarkup;
 use Drupal\openai\Utility\StringHelper;
 
 /**
- * Implements hook_form_alter().
+ * Implements hook_form_node_form_alter().
  */
-function openai_content_form_alter(array &$form, FormStateInterface $form_state, $form_id) {
+function openai_content_form_node_form_alter(array &$form, FormStateInterface $form_state, $form_id) {
   $account = \Drupal::currentUser();
   $form_object = $form_state->getFormObject();
 
-  if ($form_object instanceof ContentEntityFormInterface && $account->hasPermission('access openai content tools')) {
+  if ($account->hasPermission('access openai content tools')) {
     /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
     $entity = $form_object->getEntity();
     $options = _get_all_text_with_summary_fields($entity);