add id to editor of direct editing

Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>

apps/files/lib/Service/DirectEditingService.php

@@ -61,6 +61,7 @@ class DirectEditingService {
 		 */
 		foreach ($this->directEditingManager->getEditors() as $id => $editor) {
 			$capabilities['editors'][$id] = [
+				'id' => $editor->getId(),
 				'name' => $editor->getName(),
 				'mimetypes' => $editor->getMimetypes(),
 				'optionalMimetypes' => $editor->getMimetypesOptional(),