Work in progress for #20000
The biggest change here is the update to `uninstall_exe.ps1` so that it
is not completely broken.
I'd like to get these changes onto main for testing while I switch to
working on unreleased bugs.
# Windows EXE testing notes (in progress)
## FileZilla
https://filezilla-project.org/download.php?platform=win64
In uninstall script, use /S as $uninstallArgs
## Firefox
Get the full installer like:
https://download.mozilla.org/?product=firefox-latest&os=win&lang=en-US
DO NOT get product=firefox-stub
In uninstall script, use -ms as $uninstallArgs
