update loaing

lib/features/auth/presentation/pages/login_page.dart

@@ -8,6 +8,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import 'package:go_router/go_router.dart';
+import 'package:worker/core/widgets/loading_indicator.dart';
 import 'package:worker/core/constants/ui_constants.dart';
 import 'package:worker/core/router/app_router.dart';
 import 'package:worker/core/theme/colors.dart';
@@ -483,15 +484,9 @@ class _LoginPageState extends ConsumerState<LoginPage> {
                 ),
               ),
               child: isLoading
-                  ? SizedBox(
-                      height: 20.0,
-                      width: 20.0,
-                      child: CircularProgressIndicator(
-                        strokeWidth: 2.0,
-                        valueColor: AlwaysStoppedAnimation<Color>(
-                          colorScheme.onPrimary,
-                        ),
-                      ),
+                  ? CustomLoadingIndicator(
+                      color: colorScheme.onPrimary,
+                      size: 20,
                     )
                   : const Text(
                       'Đăng nhập',