add ressources

app/UI/Client/Ressource/Providers/RessourceDataProvider.php

@@ -74,7 +74,7 @@ class RessourceDataProvider extends BaseDataProvider
 
         foreach($users as $user) {
             if($user['isEnabled']){
-                $this->availableValues['manager'] = [ $user['loginName'] => $user['loginName'] . '@' . $this->getWhmcsParamByKey('domain') ];
+                $this->availableValues['manager'][] = [ $user['loginName'] => $user['loginName'] . '@' . $this->getWhmcsParamByKey('domain') ];
             }
         }