fix: enable sort_text comparator by default (#2122)

Author: AThePeanut4

lua/cmp/config/default.lua

@@ -73,7 +73,7 @@ return function()
         compare.recently_used,
         compare.locality,
         compare.kind,
-        -- compare.sort_text,
+        compare.sort_text,
         compare.length,
         compare.order,
       },