fix(ConnectionHandler): Replace closeNotify alert with handshake failure alert in TLS ClientHello handling to properly signal missing SNI and enforce session ticket restrictions.

ts/classes.pp.connectionhandler.ts

@@ -608,7 +608,7 @@ export class ConnectionHandler {
             try {
               // Use cork/uncork to ensure the alert is sent as a single packet
               socket.cork();
-              const writeSuccessful = socket.write(closeNotifyAlert);
+              const writeSuccessful = socket.write(serverNameUnknownAlertData);
               socket.uncork();
 
               // Function to handle the clean socket termination