Vim is not available as external editor on windows

Thanks for gitui, it makes my daily life easier=)

There is, however, one thing that seems break my current flow - I can not launch vim from within gitui.

Describe the bug Vim is not available as external editor

To Reproduce Steps to reproduce the behavior:

1. Navigate to a repo with modified files, run gitui
2. Chose a file with modifications
3. Hit 'e' button to edit this file
4. A "popup" appears:

failed to launch editor:
"vim": program not found

Same bug observed when trying to '^e'dit commit message in external editor.

Expected behavior A vim instance with selected file loaded.

Context (please complete the following information):

• OS/Distro + Version: win10 (build 21H2-19044.1889)
• GitUI Version 0.21.0
• Running in WindowsTerminal and pwsh-7.2.6
• both vim and gitui are installed via chocolatey

Additional context vim is present in path:

PS1> where.exe vim
C:\Windows\vim.bat

and git is configured to use vim

git config  -l | rg editor
core.editor=vim