feat: add notification for tickets in waiting status

Details:
- Implemented notification functionality for tickets that are in waiting status.

backend/src/services/WbotServices/wbotMessageListener.ts

@@ -529,6 +529,7 @@ const transferTicket = async (
   sendGreetingMessage?: boolean
 ) => {
   const botInfo = await BotIsOnQueue("botqueue");
+  const io = getIO();
 
   const queuesWhatsGreetingMessage = await queuesOutBot(
     wbot,
@@ -548,6 +549,7 @@ const transferTicket = async (
   }
 
   if (queue) await botTransferTicket(queue, ticket, sendGreetingMessage);
+  io.emit('notifyPeding', {data: {ticket, queue}});
 };
 
 const botTransferTicket = async (