Fix: RESTApi Activity paginator total count (#375)

Co-authored-by: swina <[email protected]>

Author: kingjia90

src/RESTApi/ActivitiesHandler.php

@@ -56,7 +56,7 @@ public function listRecords(Request $request)
 
         $result = [
             'page' => $page,
-            'totalPages' => $paginator->getPages()->pageCount,
+            'totalPages' => $paginator->getPaginationData()['pageCount'],
             'timestamp' => $timestamp,
             'data' => [],
         ];