Issue #2707689: NodeForm::actions() checks for delete access on new entities

core/lib/Drupal/Core/KeyValueStore/MemoryStorage.php

@@ -71,8 +71,10 @@ public function setMultiple(array $data) {
    * {@inheritdoc}
    */
   public function rename($key, $new_key) {
-    $this->data[$new_key] = $this->data[$key];
-    unset($this->data[$key]);
+    if ($key !== $new_key) {
+      $this->data[$new_key] = $this->data[$key];
+      unset($this->data[$key]);
+    }
   }
 
   /**