Fix: variable for channel was named client

packages/stream_chat_flutter/lib/src/channel_list_view.dart

@@ -614,7 +614,7 @@ class _ChannelListViewState extends State<ChannelListView> {
     if (widget.onChannelTap != null) {
       onTap = widget.onChannelTap!;
     } else {
-      onTap = (client, _) {
+      onTap = (channel, _) {
         if (widget.channelWidget == null) {
           return;
         }
@@ -622,7 +622,7 @@ class _ChannelListViewState extends State<ChannelListView> {
           context,
           MaterialPageRoute(
             builder: (context) => StreamChannel(
-              channel: client,
+              channel: channel,
               child: widget.channelWidget!,
             ),
           ),