Merge pull request #4469 from nextcloud/backport/4301/stable27

[stable27] fix: get storage from file instead of parent

Author: elzody

lib/Controller/WopiController.php

@@ -517,7 +517,7 @@ public function putFile($fileId,
 
 			$content = fopen('php://input', 'rb');
 
-			$freespace = $file->getParent()->getFreeSpace();
+			$freespace = (int)$file->getStorage()->free_space($file->getInternalPath());
 			$contentLength = (int)$this->request->getHeader('Content-Length');
 
 			try {