fix: correctly override user color in sub gifts (#6322)

src/providers/twitch/IrcMessageHandler.cpp

@@ -667,6 +667,8 @@ void IrcMessageHandler::parseUserNoticeMessageInto(Communi::IrcMessage *message,
                                                    MessageSink &sink,
                                                    TwitchChannel *channel)
 {
+    assert(channel != nullptr);
+
     auto tags = message->tags();
     auto parameters = message->parameters();
 
@@ -775,7 +777,7 @@ void IrcMessageHandler::parseUserNoticeMessageInto(Communi::IrcMessage *message,
             // subgifts are special because they include two users
             auto msg = MessageBuilder::makeSubgiftMessage(
                 parseTagString(messageText), tags,
-                calculateMessageTime(message).time());
+                calculateMessageTime(message).time(), channel);
 
             msg->flags.set(MessageFlag::Subscription);
             if (mirrored)