language_settings: Add whitespace_map setting (#37704)

This setting controls which visible characters are used to render
whitespace when the show_whitespace setting is enabled.

Release Notes:

- Added `whitespace_map` setting to control which visible characters are
used to render whitespace when the `show_whitespace` setting is enabled.

---------

Co-authored-by: Nia Espera <nia@zed.dev>
b28c979aaeIlija Tovilo committed on 9/10/2025, 6:19:24 PM· committed by GitHubparent22e31a0
3 files changedLine totals unavailable