Consider using new matchfuzzy() built in function

[craigmac]

Describe the solution you'd like
Ability to use this plugin using only built in Vim feature for fuzzy matching. A really new fuzzy match function written in C should make it possible to not rely on Rust if user has a Vim version with the correct patch.

Additional context
The PR and function I’m talking about: vim/vim#6932

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[romgrk]

Neovim will probably get it too: neovim/neovim#12995 It might make it more attractive then if both vim & neovim have it.

[liuchengxu]

Yeah, this also just needs some glue code similar to #565. But we have to take care of some extra stuffs that the Rust binary maple does:

• Ensure the matched items won't be totally invisible Long matched results can cause the matched portion to not be visible #317.
• Can apply the filter on the substring of origin line, like filename only in Ability to filter file name only instead of the full path for files provider #379.

Not sure matchfuzzy() and fzy-lua already handle these cases.

[liuchengxu]

@craigmac Try #607, you can use let g:clap_force_matchfuzzy = 1 to test it. Any suggestions are welcome.