fix: use pmenu scrollbar highlights

Author: lopi-py

lua/blink/cmp/init.lua

@@ -100,8 +100,8 @@ cmp.add_default_highlights = function()
     set_hl('BlinkCmpKind' .. kind, { link = use_nvim_cmp and 'CmpItemKind' .. kind or 'BlinkCmpKind' })
   end
 
-  set_hl('BlinkCmpScrollBarThumb', { link = 'Visual' })
-  set_hl('BlinkCmpScrollBarGutter', { link = 'Pmenu' })
+  set_hl('BlinkCmpScrollBarThumb', { link = 'PmenuThumb' })
+  set_hl('BlinkCmpScrollBarGutter', { link = 'PmenuSbar' })
 
   set_hl('BlinkCmpGhostText', { link = use_nvim_cmp and 'CmpGhostText' or 'Comment' })