Bugfix: Empty chat_id when response is callback_query

Author: PRO2XY

src/UniversalTelegramBot.cpp

@@ -437,7 +437,7 @@ bool UniversalTelegramBot::processResult(JsonObject& result, int messageIndex) {
 
       messages[messageIndex].text = message["data"].as<String>();
       messages[messageIndex].date = message["date"].as<String>();
-      messages[messageIndex].chat_id = F("");
+      messages[messageIndex].chat_id = message["message"]["chat"]["id"].as<String>();
       messages[messageIndex].chat_title = F("");
     } else if (result.containsKey("edited_message")) {
       JsonObject& message = result["edited_message"];