[debug](rpc) debug rpc time consumption problem (#39852)
## Proposed changes
Issue Number: close #xxx
Add detail RPC time info for each channel, sorted by max rpc time of
channels:
```
DATA_STREAM_SINK_OPERATOR (id=1,dst_id=1):
- Partitioner: Crc32HashPartitioner(64)
- BlocksProduced: 74
- BrpcSendTime: 2.689us
- BrpcSendTime.Wait: 0ns
- BytesSent: 89.35 KB
- CloseTime: 680.152us
- CompressTime: 0ns
- ExecTime: 160.663ms
- InitTime: 263.608us
- InputRows: 32.512K (32512)
- LocalBytesSent: 0.00
- LocalSendTime: 0ns
- LocalSentRows: 0
- MemoryUsage:
- PeakMemoryUsage: 80.00 KB
- MergeBlockTime: 0ns
- OpenTime: 4.113ms
- OverallThroughput: 0.0 /sec
- PendingFinishDependency: 41.179ms
- RowsProduced: 32.512K (32512)
- RpcAvgTime: 11.850ms
- RpcCount: 10
- RpcMaxTime: 86.891ms
- RpcMinTime: 15.200ms
- RpcSumTime: 118.503ms
- SerializeBatchTime: 13.517ms
- SplitBlockDistributeByChannelTime: 38.923ms
- SplitBlockHashComputeTime: 2.659ms
- UncompressedRowBatchSize: 135.19 KB
- WaitForDependencyTime: 0ns
- WaitForRpcBufferQueue: 0ns
RpcInstanceDetails:
- Instance 85d4f75b72a9ea61: Count: 4, MaxTime: 36.238ms, MinTime: 12.107ms, AvgTime: 21.722ms, SumTime: 86.891ms
- Instance 85d4f75b72a9ea91: Count: 3, MaxTime: 11.107ms, MinTime: 2.431ms, AvgTime: 5.470ms, SumTime: 16.412ms
- Instance 85d4f75b72a9eac1: Count: 3, MaxTime: 7.554ms, MinTime: 3.160ms, AvgTime: 5.066ms, SumTime: 15.200m
```
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