add initial queue info in raw task jobs

Author: Florian Perucki

mrq/queue.py

@@ -499,6 +499,7 @@ def dequeue_jobs(self, max_jobs=1, job_class=None, worker=None):
             for j in job_data:
                 j["status"] = "started"
                 j["queue"] = retry_queue
+                j["raw_queue"] = self.id
                 if worker:
                     j["worker"] = worker.id