Hai ZhaoandGitHub fc131877ec add BackfillHistoryTask (#6220) ...

## What changed?
This PR adds BackfillHistoryTask when SyncVersionedTransitionTask is not on current transition history.

## Why?
This PR is part of SyncVersionedTransitionTask.

## How did you test it?
unittest.

## 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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2024-07-23 15:31:12 -07:00

..

message.go-helpers.pb.go

add BackfillHistoryTask (#6220)

2024-07-23 15:31:12 -07:00

message.pb.go

add BackfillHistoryTask (#6220)

2024-07-23 15:31:12 -07:00