Diffing, applying, and restoring untracked files in a stash doesn't work

[eamodio]

We are currently showing untracked files in a stash, but clicking on them won't show the diff properly, nor will Apply Changes or Restore (Checkout)

[d13]

This is verified

[github-actions]

This issue has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.