[lang] Change "full" to "best" (#8141)

I guess `full` was in on of the old iterations. Might affect translations though

frontend/ui/data/creoptions.lua

@@ -610,7 +610,7 @@ If a font variation is not available, as well as for fractional adjustments, it
 
 - off: no kerning.
 - fast: use FreeType's kerning implementation (no ligatures).
-- good: use HarfBuzz's light kerning implementation (faster than full but no ligatures and limited support for non-western scripts)
+- good: use HarfBuzz's light kerning implementation (faster than best but no ligatures and limited support for non-western scripts)
 - best: use HarfBuzz's full kerning implementation (slower, but may support ligatures with some fonts; also needed to properly display joined arabic glyphs and some other scripts).
 
 (Font Hinting may need to be adjusted for the best result with either kerning implementation.)]]),