fix Bug #7345

lib/data/api/app_exception.dart

 import 'package:farm_tpf/utils/const_string.dart';
 
 class AppException {
-  static String handleError(dynamic error) {
+  static String handleError(dynamic error, {String customMessageError}) {
     String errorDescription = "";
 
     try {
         case DioErrorType.RESPONSE:
           int statusCode = dioError.response.statusCode;
           if (statusCode == 400) {
-            errorDescription = exception_dio_400;
+            errorDescription = customMessageError ?? exception_dio_400;
           } else if (statusCode == 401) {
             errorDescription = exception_dio_401;
           } else if (statusCode == 403) {

lib/presentation/screens/profile/sc_change_password.dart

 import 'package:farm_tpf/custom_model/password.dart';
+import 'package:farm_tpf/data/api/app_exception.dart';
 import 'package:farm_tpf/data/repository/user_repository.dart';
 import 'package:farm_tpf/presentation/custom_widgets/widget_loading.dart';
 import 'package:farm_tpf/presentation/custom_widgets/widget_toast.dart';
             child: WidgetToast(message: "Cập nhật thành công"));
         Navigator.pop(context);
       }).catchError((onError) {
+        var errorMessage = AppException.handleError(onError,
+            customMessageError: "Sai mật khẩu hiện tại");
         _scaffoldKey.currentState.showSnackBar(SnackBar(
           content: Row(
             mainAxisAlignment: MainAxisAlignment.spaceBetween,
             children: <Widget>[
-              Text('Cập nhật không thành công.'),
+              Flexible(
+                child: Text(errorMessage),
+              ),
               Icon(Icons.error),
             ],
           ),