update channel info fro groups

lib/src/channel_info.dart

@@ -17,15 +17,6 @@ class ChannelInfo extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final client = StreamChat.of(context).client;
-    if (channel.memberCount != null && channel.memberCount > 2) {
-      return Text(
-        '${channel.memberCount} Members, ${channel.state.watcherCount} Online',
-        style: StreamChatTheme.of(context)
-            .channelTheme
-            .channelHeaderTheme
-            .lastMessageAt,
-      );
-    } else {
     return StreamBuilder<List<Member>>(
       stream: channel.state.membersStream,
       initialData: channel.state.members,
@@ -48,11 +39,19 @@ class ChannelInfo extends StatelessWidget {
       },
     );
   }
-  }
 
   Widget _buildConnectedTitleState(BuildContext context, List<Member> members) {
     var alternativeWidget;
 
+    if (channel.memberCount != null && channel.memberCount > 2) {
+      alternativeWidget = Text(
+        '${channel.memberCount} Members, ${channel.state.watcherCount} Online',
+        style: StreamChatTheme.of(context)
+            .channelTheme
+            .channelHeaderTheme
+            .lastMessageAt,
+      );
+    } else {
       final otherMember = members.firstWhere(
         (element) => element.userId != StreamChat.of(context).user.id,
         orElse: () => null,
@@ -74,6 +73,7 @@ class ChannelInfo extends StatelessWidget {
           );
         }
       }
+    }
 
     return TypingIndicator(
       alignment: Alignment.center,