improving error message on batch item processing

lib/screens/groups/models/group_batch_model.dart

@@ -57,6 +57,8 @@ class GroupBatchItem {
   final String? status;
   final String? transactionId;
   final String? errorMessage;
+  final String? confirmError;
+  final String? integrationError;
   final String? createdAt;
   final String? billName;
   final String? billProductName;
@@ -80,6 +82,8 @@ class GroupBatchItem {
     this.providerLabel,
     this.providerImage,
     this.creditAddress,
+    this.confirmError,
+    this.integrationError,
   });
 
   factory GroupBatchItem.fromJson(Map<String, dynamic> json) =>

lib/screens/groups/models/group_batch_model.g.dart

@@ -62,6 +62,8 @@ GroupBatchItem _$GroupBatchItemFromJson(Map<String, dynamic> json) =>
       providerLabel: json['providerLabel'] as String?,
       providerImage: json['providerImage'] as String?,
       creditAddress: json['creditAddress'] as String?,
+      confirmError: json['confirmError'] as String?,
+      integrationError: json['integrationError'] as String?,
     );
 
 Map<String, dynamic> _$GroupBatchItemToJson(GroupBatchItem instance) =>
@@ -75,6 +77,8 @@ Map<String, dynamic> _$GroupBatchItemToJson(GroupBatchItem instance) =>
       'status': instance.status,
       'transactionId': instance.transactionId,
       'errorMessage': instance.errorMessage,
+      'confirmError': instance.confirmError,
+      'integrationError': instance.integrationError,
       'createdAt': instance.createdAt,
       'billName': instance.billName,
       'billProductName': instance.billProductName,

lib/screens/groups/screens/batch_detail_screen.dart

@@ -2994,6 +2994,8 @@ class _BatchDetailScreenState extends State<BatchDetailScreen>
                   ],
                 ),
                 Text(item.creditAddress ?? ''),
+                Text(item.confirmError ?? ''),
+                Text(item.integrationError ?? ''),
               ],
             ),
           ),