topic with namespace and retry is block

[0daypwn]

BUG REPORT

1. Please describe the issue you observed:

   • What did you do (The steps to reproduce)?

   • What did you expect to see?

   • What did you see instead?
     [ISSUE #926] don't share limit channel in pushConsumer #923 add some code.
     example. topic name is test-topic
     when do subscribe, pc.crCh only add key: test-topic
     it does not include:
     a. topic with namespace. topic name is namespace%test-topic
     b. consumer retry topic. %RETRY%group

when consumer, because pc.crCh does not include topic, it will block.

2. Please tell us about your environment:

   • What is your OS?

   • What is your client version?

   • What is your RocketMQ version?

3. Other information (e.g. detailed explanation, logs, related issues, suggestions on how to fix, etc):