MR sidebar does not show reviewers when resolving conflicts

When resolving conflicts via the UI, the MR sidebar does not have the "Reviewers" section:

Screen_Shot_2021-10-06_at_6.40.06_PM

It's also missing the "Lock merge request section". For reference when it's on the main MR page:

Screen_Shot_2021-10-06_at_6.42.43_PM