docs: Make it clearer how to disable ligatures with `buffer_font_features` (#13645)

This PR updates the docs around disabling font ligatures to make it
clearer which OpenType features need to be changed.

Release Notes:

- N/A
2972bdc0e2Marshall Bowers committed on 6/28/2024, 1:24:15 PM· committed by GitHubparenta295b90
1 file changedLine totals unavailable