[Bug] PushConsumer may cause consumption duplication in some scenarios due to concurrency issues.

**BUG REPORT**

1. Please describe the issue you observed:

- What did you do (The steps to reproduce)?
1. Start a consumer client c1.
2. Start another consumer client c2 and immediately shut it down.
3. Observe the consumption duplication of the consumer client c1.
- What did you expect to see?
There's no consumption duplication.
- What did you see instead?
The consumer client c1 duplicate consume the same message many times at the same timestamp.


4. Please tell us about your environment:

- What is your OS?
Ubuntu & CentOS
- What is your client version?
latest
- What is your RocketMQ version?
5.9
4. Other information (e.g. detailed explanation, logs, related issues, suggestions on how to fix, etc):