Windows Terminal version (or Windows build number)

main

Other Software

N/A

Steps to reproduce

1. Open SUI
2. Navigate to any profile
3. Change any setting
4. Hit 'Save'
5. Hit 'Save' again
6. Crash

Alternatively:

1. Open SUI
2. Add a new profile
3. Hit 'Save'
4. Hit 'Save' again
5. Crash

Expected Behavior

No crash

Actual Behavior

Terminal crashes. The crash seems to happen in the Model::DefaultTerminal::Current(_currentDefaultTerminal); call in CascadiaSettings::WriteSettingsToDisk(), added in #9907