Resolved discussions on merge requests show no diff
Summary
When you comment on a line of code in a merge request and resolve the discussion, the diff shows up empty.
Once you unresolve the discussion, you can see the original code again.
Steps to reproduce
Comment on a merge request, resolve the comment and refresh.
Example Project
What is the current bug behavior?
Diff doesn't show up
What is the expected correct behavior?
Diff should show up, as it does when the discussion is not resolved.
Relevant logs and/or screenshots
Output of checks
This bug happens on GitLab.com