FZF colors no longer match your color scheme

- [X ] I have fzf 0.23.0 or above
- [X ] I have read through https://github.com/junegunn/fzf.vim/blob/master/README.md
- [ X] I have read through https://github.com/junegunn/fzf/blob/master/README-VIM.md
- [ X] I have read through the manual page of fzf (`man fzf`)
- [ X] I have searched through the existing issues

After **v0.24**

Before **v0.18**

```vim
" Customize fzf colors to match your color scheme
let g:fzf_colors =
\ { 'fg': ['fg', 'Normal'],
\ 'bg': ['bg', 'Normal'],
\ 'hl': ['fg', 'Comment'],
\ 'fg+': ['fg', 'CursorLine', 'CursorColumn', 'Normal'],
\ 'bg+': ['bg', 'CursorLine', 'CursorColumn'],
\ 'hl+': ['fg', 'Statement'],
\ 'info': ['fg', 'PreProc'],
\ 'border': ['fg', 'Ignore'],
\ 'prompt': ['fg', 'Conditional'],
\ 'pointer': ['fg', 'Exception'],
\ 'marker': ['fg', 'Keyword'],
\ 'spinner': ['fg', 'Label'],
\ 'header': ['fg', 'Comment'] }
```