adapted syntax changes to remotes in accessList

Signed-off-by: Jan Messer <jan@mtec-studios.ch>

Author: Messj1

lib/FilesHooks.php

@@ -416,10 +416,7 @@ protected function fileMoving($oldPath, $newPath) {
 		$moveUsers = array_intersect($beforeUsers, $afterUsers);
 		$this->generateMoveActivities($moveUsers, $oldUsers, $affectedUsers, $fileId, $oldFileName, $parentId, $fileName);
 
-		$beforeRemotes = [];
-		if (isset($this->oldAccessList['users'])) {
-			$beforeRemotes = $this->oldAccessList['remotes'];
-		}
+		$beforeRemotes = $this->oldAccessList['remotes'] ?? [];
 		$afterRemotes = $accessList['remotes'];
 
 		$addRemotes = $deleteRemotes = $moveRemotes = [];