🐛 Cursor line may not be highlighted

[mityu]

Fix the cursor line is not highlighted when neither line and screenline are not set to cursorlineopt.
This PR makes the window-local option cursorlineopt surely have line value for the fall.vim windows.

• before:

• after:

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/

set cursorlineopt=number
let g:fall_custom_path = '/tmp/notfound.vim'

• Run vim by vim -u vimrc.vim
• Start fall.vim by :Fall help
• Check the highlights for the cursor line

Environment

• macOS Sequoia
• wezterm 20240203-110809-5046fc22
• Vim 9.1.1113
• deno

deno 2.1.10 (stable, release, aarch64-apple-darwin)
v8 13.0.245.12-rusty
typescript 5.6.2

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.72%. Comparing base (88c6ec5) to head (daeee0c).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #30   +/-   ##
=======================================
  Coverage   80.72%   80.72%           
=======================================
  Files          24       24           
  Lines        1655     1655           
  Branches      163      163           
=======================================
  Hits         1336     1336           
  Misses        316      316           
  Partials        3        3           

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[lambdalisue]

Thanks!