Fix configuring shell in project settings (#39795)

I mistakenly broke this when refactoring settings

Closes #39479

Release Notes:

- Fixed a bug where you could no longer configure `terminal.shell` in
project settings
7c55f7181dConrad Irwin committed on 10/8/2025, 4:49:44 PM· committed by GitHubparent4684d6b
3 files changedLine totals unavailable