Refa: ensure Redis stream queue could be created properly (#9223)

### What problem does this PR solve?

Ensure Redis queue could be created properly.

### Type of change

- [x] Refactoring

rag/utils/redis_conn.py

@@ -226,10 +226,21 @@ class RedisDB:
     def queue_consumer(self, queue_name, group_name, consumer_name, msg_id=b">") -> RedisMsg:
         """https://redis.io/docs/latest/commands/xreadgroup/"""
         for _ in range(3):
+            try:
+
                 try:
                     group_info = self.REDIS.xinfo_groups(queue_name)
                     if not any(gi["name"] == group_name for gi in group_info):
                         self.REDIS.xgroup_create(queue_name, group_name, id="0", mkstream=True)
+                except redis.exceptions.ResponseError as e:
+                    if "no such key" in str(e).lower():
+                        self.REDIS.xgroup_create(queue_name, group_name, id="0", mkstream=True)
+                    elif "busygroup" in str(e).lower():
+                        logging.warning("Group already exists, continue.")
+                        pass
+                    else:
+                        raise
+
                 args = {
                     "groupname": group_name,
                     "consumername": consumer_name,