## What changed?
Acquire workflow lock during backfill history
## Why?
Stream replication processes WorkflowRun concurrently. This could lead
to concurrent append history node on same node id and write dirty
history node into the table.
## How did you test it?
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test? Checked in staging env? -->
## Potential risks
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change to production? -->
## Documentation
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stated in `docs/`? If significant
new behavior is added, have you described that in `docs/`? -->
## Is hotfix candidate?
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