Long single backtick part go over the boundary

[yoching]

Long single backtick parts in documents go over the boundary.

This is the example where the issue happens.
https://share.unison-lang.org/@yoching/codable/code/releases/0.3.5/latest/terms/README

It doesn't happen on Unison Local UI, but does on Unison Share.

Unison Share

Unison Local UI: Good