[BUG] <title> dynamic thread pool, monitoring real-time data details have data, but monitoring history chart details are blank

### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

版本：HertzBeat v1.3.1
访问/actuator/dynamic-tp报文如下：
[{"poolName":"ccDtpExecutor","corePoolSize":6,"maximumPoolSize":8,"queueType":"VariableLinkedBlockingQueue","queueCapacity":200,"queueSize":0,"fair":false,"queueRemainingCapacity":200,"activeCount":0,"taskCount":24,"completedTaskCount":24,"largestPoolSize":6,"poolSize":6,"waitTaskCount":0,"rejectCount":0,"rejectHandlerName":"CallerRunsPolicy","dynamic":true,"runTimeoutCount":0,"queueTimeoutCount":0},{"maxMemory":"7.07 GB","totalMemory":"1.19 GB","freeMemory":"909.54 MB","usableMemory":"6.77 GB"}]

### Expected Behavior

dtp图表有数据展示

### Steps To Reproduce

_No response_

### Environment

```markdown
HertzBeat version(s):v1.3.1
```

### Debug logs

_No response_

### Anything else?

_No response_

Start by reproducing the issue on HertzBeat v1.3.1 and inspect the /actuator/dynamic-tp response alongside the monitoring history chart. Trace why the real-time dynamic thread-pool data is present while the historical chart details are blank; done means the DTP chart displays historical data.

Written by the indexing model from the issue text.