Include `font_features` in cache key for fonts (#8928)

## Release Notes

- Fixed font ligatures not always respecting the setting
([#4313](https://github.com/zed-industries/zed/issues/4313)).

## Preview


![20240306133121_rec_-convert](https://github.com/zed-industries/zed/assets/8667822/dc2aaa00-41d0-4fe9-8d9c-80e1f047894d)

Yesterday17 committed 2y ago

105e654dcefa2eeffde8e317c436de99c3fd8709

Parent: 6b89842

Committed by GitHub <noreply@github.com> on 3/7/2024, 4:06:19 PM