Open changed files in multi-file editor from merge request
When reviewing changes in a merge request, there are situations where would be more efficient to make a change rather than leaving a comment, like fixing a few typos in some documentation. There are also situations where it is hard to review the change without being able to see the entirety of multiple files.
It's possible to do this in GitLab by opening each file one by one from the MR diff.
The multi-file makes it easy to view and edit multiple files, and we can make it easy by just opening all the changed files (if there are only a few).
Proposal
If the use has opted into the 'Multi-file editor BETA' show a button in the Merge Request window to open the Merge Request in the multi-file editor