workload report “err execute query q22 failed Error 1105: other error for mpp stream: Poco::Exception. Code: 1000, e.code() = 15, e.displayText() = Exception: no alive tiflash, cannot dispatch BatchCopTask, e.what() = Exception” after fault recover from one compute network partition

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1、br restore data
2、run ch
"go-tpc ch run -D tpcc --host tc-tidb.endless-ha-test-tps-1815226-1-478 -P4000 --warehouses 2000 -T 32 --acThreads 1 --queries q22 --ignore-error '2013,1213,1105,1205,8022,8028,9004,9007,1062' --time 36000m --user root --password '' --interval '10s'
2、inject one tiflash compute node network partition last for 10min
3、after 10min，recover fault

2. What did you expect to see? (Required)

no error after fault recover

3. What did you see instead (Required)

execute run failed, err execute query q22 failed Error 1105: other error for mpp stream: Poco::Exception. Code: 1000, e.code() = 15, e.displayText() = Exception: no alive tiflash, cannot dispatch BatchCopTask, e.what() = Exception

4. What is your TiFlash version? (Required)

git hash：f08e4d66ec09b2fb6ea727a23bc7956c15caae40