Add a missing notify when updating the project diff (#26396)

Closes #ISSUE

Release Notes:

- Git Beta: Fixed a bug that caused the project diff not to update in
response to git-related events

Co-authored-by: Max Brunsfeld <maxbrunsfeld@gmail.com>
63dab5f891Cole Miller committed on 3/10/2025, 8:47:35 PM· committed by GitHubparenta2d6df3
1 file changedLine totals unavailable