fix: user groups are string uuids

src/QUI/ERP/User.php

@@ -656,10 +656,6 @@ public function getGroups(bool $array = true): array
             return !empty($groupId);
         });
 
-        array_walk($groupIds, function (&$groupId) {
-            $groupId = (int)$groupId;
-        });
-
         if (!$array) {
             return $groupIds;
         }