message: Describe the fix in the change log.
diff: ### Bugfixes
  -* Lorem ipsum.
  +* Properly refresh table accessors connected by backlinks to a row that has had
  + a `merge_rows` instruction applied and then rolled back. This could have
  + caused corruption if this scenario was triggered but since sync does not use
  + the `merge_rows` instruction in this way, this is a preventative fix.
  + PR [#2503](https://github.com/realm/realm-core/pull/2503)
  ### Breaking changes
  