번호 자동 부여 대응 및 API 공통 처리 보강

lib/features/approvals/step/presentation/pages/approval_step_page.dart

@@ -118,7 +118,7 @@ class _ApprovalStepEnabledPageState extends State<_ApprovalStepEnabledPage> {
         final pageSize = result?.pageSize ?? records.length;
         final totalPages = pageSize == 0
             ? 1
-            : (totalCount / pageSize).ceil().clamp(1, 9999) as int;
+            : (totalCount / pageSize).ceil().clamp(1, 9999);
         final hasNext = result == null
             ? false
             : (result.page * result.pageSize) < result.total;