small fixes

lib/Controller/ApiController.php

@@ -1222,7 +1222,7 @@ public function updateSubmission(int $formId, int $submissionId, array $answers,
 		if (empty($answers)) {
 			// Clear Answers
 			foreach ($questions as $question) {
-				$this->storeAnswersForQuestion($form, $submission->getId(), $question, ['']), true);
+				$this->storeAnswersForQuestion($form, $submission->getId(), $question, [''], true);
 			}
 		} else {
 			// Process Answers

lib/Migration/Version030300Date20230815000000.php

@@ -3,25 +3,8 @@
 declare(strict_types=1);
 
 /**
- * @copyright Copyright (c) 2023 Timotheus Pokorra <[email protected]>
- *
- * @author Timotheus Pokorra <[email protected]>
- *
- * @license GNU AGPL version 3 or any later version
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
+ * SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
  */
 
 namespace OCA\Forms\Migration;