Refactor /subusers/grants to use paginated response and update dependencies

- Replace manual grant data processing with `listObjectsWithPaginationIfSet` for cleaner pagination and mapping logic.
- Include `subusers_permission_node_key` helper in dependencies.

services/nginx/app/index.php

@@ -112,6 +112,9 @@ require_once 'modules/goals/classes/goals_criteria_products.php';
 require_once 'modules/goals/classes/goals_criteria.php';
 require_once 'modules/goals/classes/goals.php';
 
+// Subusers module (helpers used by objects)
+require_once 'modules/subusers/helpers/subusers_permission_node_key.php';
+
 // Dynamic Images module
 foreach (glob(WD . '/modules/dynamicimages/interfaces/*.php') as $interface) {
     require_once $interface;

services/nginx/app/routes/subusersRoute.php

@@ -64,19 +64,20 @@ class subusersRoute
             if (!$hasFilter) {
                 $response->error('You must provide at least one of: customer_number or subuser_id', 400);
             }
-            $rows = (new subuser_grants_o())->getFieldsWhere($filters, [
-                'id', 'billing_customer_number', 'subuser', 'enabled', 'note', 'permissions', 'created_at', 'updated_at', 'deleted_at'
-            ]);
-            // Decode permissions JSON
-            $data = array_map(function ($row) {
-                $row['id'] = (int)$row['id'];
-                $row['billing_customer_number'] = (int)$row['billing_customer_number'];
-                $row['subuser'] = (int)$row['subuser'];
-                $row['enabled'] = (bool)$row['enabled'];
-                $row['permissions'] = (!empty($row['permissions'])) ? (json_decode($row['permissions'], true) ?: []) : [];
-                return $row;
-            }, $rows);
-            $response->success(['grants' => $data]);
+            $paginatedResponse = (new subuser_grants_o())->listObjectsWithPaginationIfSet(function ($o) {
+                $o = (object)$o;
+                return [
+                    'id' => $o->id,
+                    'billing_customer_number' => $o->billing_customer_number,
+                    'subuser' => $o->subuser,
+                    'enabled' => $o->enabled,
+                    'note' => $o->note,
+                    'permissions' => json_decode($o->permissions, true) ?: [],
+                    'created_at' => $o->created_at,
+                    'updated_at' => $o->updated_at,
+                ];
+            }, $filters);
+            $response->success($paginatedResponse);
         }, []);
 
         $this->post('/subusers/grants', function () {