fixed fetch one group from ldap if missing ldap conf

SE/se-lib/UsersLdapHelper.php

@@ -406,12 +406,12 @@ class UsersLdapHelper {
 			Lib::loadClass('UsersHelper');
 			$group = UsersHelper::getGroupByID($groupID);
 			if (!$group) return null;
-			return (object)[
+			return [ (object)[
 				'appleUID' => $group->ID, // 'EBE2DE46-1B11-4793-BBAB-A47486B60E6C',
 				'gidNumber' => $group->ID, // '1025',
 				'cn' => "{$group->ID}_{$group->DESC}", // 'workgroup',
 				'name' => "[{$group->ID}] {$group->DESC}", // 'Workgroup',
-			];
+			] ];
 		}
 		Lib::loadClass('LDAP');
 		$ldap = LDAP::getInstance();