Fix interpretation of \n in hovers (#10214)

I ran into this specifically when looking at the documentation of
https://crates.io/crates/wayland-client

Release Notes:

- Fixed a bug where some hover popovers would render `\n` instead of a
new line.
fe4b345603Mikayla Maki committed on 4/5/2024, 10:59:37 PM· committed by GitHubparent7b636d9
1 file changedLine totals unavailable