[BUG] Availability (priority=0) failure blocks all lower priority metrics collection, causing monitoring pipeline stall

### Is there an existing issue for this?

- [x] I have searched the existing issues

### Current Behavior

now monitor pipeline will break if !priority=0 metirc stuck

src/main/java/org/apache/hertzbeat/collector/dispatch/CommonDispatcher.java

### Expected Behavior

_No response_

### Steps To Reproduce

_No response_

### Environment

```markdown
HertzBeat version(s):lastest
```

### Debug logs

_No response_

### Anything else?

i will fix it