Issue #2089599 by swentel, Wim Leers, dotoree: Fixed 'Missing text format: .'...

Issue #2089599 by swentel, Wim Leers, dotoree: Fixed 'Missing text format: .' in watchdog logs when visiting Text formats and editors configure page.

core/modules/ckeditor/lib/Drupal/ckeditor/Plugin/Editor/CKEditor.php

@@ -171,7 +171,7 @@ public function settingsForm(array $form, array &$form_state, EditorEntity $edit
     // Build a fake Editor object, which we'll use to generate JavaScript
     // settings for this fake Editor instance.
     $fake_editor = entity_create('editor', array(
-      'format' => '',
+      'format' => $editor->id(),
       'editor' => 'ckeditor',
       'settings' => array(
         // Single toolbar row that contains all existing buttons.