fix: Cursor won't be restored on gVim

[mityu]

On MacVim (must also on gVim, I can't check now though), the cursor disappears after using fall.vim. This PR fixes it.

Checked Environment

• macOS Sequoia
• MacVim 9.1.1251

Reproduce Steps

• Prepare this vimrc.vim

set nocompatible

" Please modify these runtimepath value
set runtimepath^=~/.cache/vim/pack/minpac/opt/denops.vim/
set runtimepath^=~/.cache/vim/pack/minpac/opt/fall.vim/

let g:fall_custom_path = '/tmp/notfound.vim'

• Launch gVim(MacVim) with gvim -u vimrc.vim
  • Maybe you can use /Applications/MacVim.app/Contents/bin/mvim -u vimrc.vim
• Check the cursor exists
• Run fall.vim, e.g. :Fall file, and then quit it
• The cursor is still hidden

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.90%. Comparing base (934910e) to head (6f34e61).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #34   +/-   ##
=======================================
  Coverage   80.90%   80.90%           
=======================================
  Files          24       24           
  Lines        1671     1671           
  Branches      165      165           
=======================================
  Hits         1352     1352           
  Misses        316      316           
  Partials        3        3           

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[lambdalisue]

Thanks 🎉