added singleUserMode and removed StaffSection from forms

lib/features/operations/ui/operation_list_screen.dart

@@ -1,5 +1,8 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:flux/core/routes/routes.dart';
+import 'package:flux/core/widgets/staff_selector_modal.dart';
+import 'package:flux/features/master_data/staff/models/staff_member_model.dart';
 import 'package:flux/features/operations/blocs/operation_list_cubit.dart';
 import 'package:flux/features/operations/models/operation_model.dart';
 import 'package:go_router/go_router.dart';
@@ -113,7 +116,15 @@ class _OperationListScreenState extends State<OperationListScreen> {
         },
       ),
       floatingActionButton: FloatingActionButton(
-        onPressed: () => startNewOperation(context),
+        onPressed: () async {
+          StaffMemberModel? createdBy = await getStaffMember(context);
+          if (createdBy == null || !context.mounted) return;
+          context.pushNamed(
+            Routes.operationForm,
+            pathParameters: {'id': 'new'},
+            extra: (createdBy: createdBy, operation: null),
+          );
+        },
         child: const Icon(Icons.add),
       ),
     );