update error builder

packages/stream_chat_flutter/lib/src/user_list_view.dart

@@ -194,17 +194,7 @@ class _UserListViewState extends State<UserListView>
   bool get isListAlreadySorted =>
       widget.sort?.any((e) => e.field == 'name' && e.direction == 1) ?? false;
 
-  Widget _buildError(Object error) {
+  Widget _buildError(Object error) => Center(
-    var message = error.toString();
-    if (error is DioError) {
-      final dioError = error;
-      if (dioError.type == DioErrorType.response) {
-        message = dioError.message;
-      } else {
-        message = 'Check your connection and retry';
-      }
-    }
-    return Center(
         child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
           children: <Widget>[
@@ -219,17 +209,11 @@ class _UserListViewState extends State<UserListView>
                       child: Icon(Icons.error_outline),
                     ),
                   ),
-                TextSpan(text: 'Error loading channels'),
+                  TextSpan(text: 'Error loading users'),
                 ],
               ),
               style: Theme.of(context).textTheme.headline6,
             ),
-          Padding(
-            padding: const EdgeInsets.only(
-              top: 16,
-            ),
-            child: Text(message),
-          ),
             TextButton(
               onPressed: () => _userListController.loadData!(),
               child: const Text('Retry'),
@@ -237,7 +221,6 @@ class _UserListViewState extends State<UserListView>
           ],
         ),
       );
-  }
 
   Widget _buildEmpty() => LayoutBuilder(
         builder: (context, viewportConstraints) => SingleChildScrollView(