Enlarge file-collapse hit area on merge requests
Problem to solve
The hitzone for the toggle-file-collapse behavior on individual files within an MR is very small and easy to miss.
I believe it's this tiny square:
Proposal
Enlarge the hit area. Perhaps make the entire left corner of the file header clickable.
What does success look like, and how can we measure that?
Success is having a hit zone that is substantially larger than a 16x16-pixel square.