debugger: Ensure that Python's adapter work dir exists (#35618)

Closes #ISSUE

cc @Sansui233 who triaged this in
https://github.com/zed-industries/zed/issues/35388#issuecomment-3146977431
Release Notes:

- debugger: Fixed an issue where a Python debug adapter could not be
installed when debugging Python projects for the first time.
afc4f50300Piotr Osiewicz committed on 8/4/2025, 10:51:40 PM· committed by GitHubparent91bbdb7
2 files changedLine totals unavailable