[BUG] Mark dirty on rollback of cursor to guarantee compaction picks it up. (#5265)

## Description of changes

The tests flaked because compaction is now faster.  This will make the
test robust, but also make it so that DR does the right thing.

## Test plan

CI

- [X] Tests pass locally with `pytest` for python, `yarn test` for js,
`cargo test` for rust

## Migration plan

N/A

## Observability plan

N/A

## Documentation Changes

N/A