Fixed pointer typo in publishmessage

internal/usecases/produce/publishmessage.go

@@ -16,7 +16,7 @@ func (s *Service) PublishMessage(data *[]byte, sessionID *string) {
 	}
 
 	headers := amqp.Table{}
-	headers["sessionID"] = sessionID
+	headers["sessionID"] = *sessionID
 	headers["type"] = "queryResult"
 	s.producerDriver.PublishMessage(data, &clientQueueID, &headers)
 }