refactor(ui): minor doc changes

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat_flutter/lib/src/v4/channel_list_view/stream_channel_list_controller.dart

@@ -200,6 +200,9 @@ class StreamChannelListController extends PagedValueNotifier<int, Channel> {
 
   /// Event listener, which can be set in order to listen
   /// [client] web-socket events.
+  ///
+  /// Return `true` if the event is handled. Return `false` to
+  /// allow the event to be handled internally.
   bool Function(Event event)? eventListener;
 
   StreamSubscription<Event>? _channelEventSubscription;

packages/stream_chat_flutter/lib/src/v4/channel_list_view/stream_channel_list_tile.dart

@@ -67,7 +67,7 @@ class StreamChannelListTile extends StatelessWidget {
   final GestureLongPressCallback? onLongPress;
 
   /// {@template flutter.material.ListTile.tileColor}
-  /// Defines the background color of `ListTile` when [selected] is false.
+  /// Defines the background color of `ListTile`.
   ///
   /// When the value is null, the `tileColor` is set to [ListTileTheme.tileColor]
   /// if it's not null and to [Colors.transparent] if it's null.