fix(sharing): Don't change the type of the controller argument

[EA] New value type (\DateTime) is not matching the resolved parameter type and might introduce types-related false-positives.

Signed-off-by: Joas Schilling <coding@schilljs.com>

apps/files_sharing/lib/Controller/ShareAPIController.php

@@ -620,8 +620,8 @@ public function createShare(
 		if ($expireDate !== null) {
 			if ($expireDate !== '') {
 				try {
-					$expireDate = $this->parseDate($expireDate);
-					$share->setExpirationDate($expireDate);
+					$expireDateTime = $this->parseDate($expireDate);
+					$share->setExpirationDate($expireDateTime);
 				} catch (\Exception $e) {
 					throw new OCSNotFoundException($this->l->t('Invalid date, date format must be YYYY-MM-DD'));
 				}