Merge pull request #9063 from nextcloud/fix-callForSeenUsers

Move on with the next user if we found the user on one user back-end

lib/private/User/Manager.php

@@ -478,6 +478,7 @@ class Manager extends PublicEmitter implements IUserManager {
 						if ($return === false) {
 							return;
 						}
+						break;
 					}
 				}
 			}