Affected Version: master
What steps will reproduce the problem?
1. Switch change to edit mode
2. Edit a file and save
3. Done with edit mode
4. open side-by-side diff for file that was edited (compare base with edit)
5. use icon to go to unified diff view
BUG: see that as expected base with edit is compared, but for side A 'edit' is selected as patch set (highlighted by light-blue background)
6. for side B choose the last patch set before the edit
BUG: 'edit' disappears from the PatchSetSelectBox
Please provide any additional information below.
Reported by Edwin Kempin: [1].
[1] https://gerrit-review.googlesource.com/63651