fix(files_versions): Update `unencrypted_size` during rollback

This prevent restored version of encrypted files from having a wrong reported size. This was blocking download.

Signed-off-by: Louis Chemineau <louis@chmn.me>

apps/files_versions/lib/Storage.php

@@ -378,7 +378,8 @@ class Storage {
 			$fileInfo->getId(), [
 				'encrypted' => $oldVersion,
 				'encryptedVersion' => $oldVersion,
-				'size' => $oldFileInfo->getSize()
+				'size' => $oldFileInfo->getData()['size'],
+				'unencrypted_size' => $oldFileInfo->getData()['unencrypted_size'],
 			]
 		);