Exposed score in the sendReaction function for channel

packages/stream_chat/lib/src/client/channel.dart

@@ -811,6 +811,7 @@ class Channel {
   Future<SendReactionResponse> sendReaction(
     Message message,
     String type, {
+    int? score,
     Map<String, Object?> extraData = const {},
     bool enforceUnique = false,
   }) async {
@@ -862,6 +863,13 @@ class Channel {
 
     state?.addMessage(newMessage);
 
+    if (score != null) {
+      extraData.putIfAbsent(
+        'score',
+        () => score,
+      );
+    }
+
     try {
       final reactionResp = await _client.sendReaction(
         messageId,