Update theme feature colors

- border focus color
- Text feature color
- Match & active match highlight color

Matches should be more legible now in both themes. `activeMatch` is still not hooked up on the rust side, so it won't take any effect yet.

Co-Authored-By: gibusu <95764254+gibusu@users.noreply.github.com>
726045e78eNate Butler committed on 4/12/2022, 4:44:38 PMparent409b818
4 files changedLine totals unavailable