Optimize rustybuzz and ttf-parser in Dev (#8873)

This PR improves the `draw()` time from hundreds to about 30ms, so
roughly 10x.
It makes Zed quite usable in Dev profile.

Release Notes:
- N/A
d286c56ebbDzmitry Malyshau committed on 3/5/2024, 2:37:28 PM· committed by GitHubparent0b34b1d
1 file changedLine totals unavailable