Synchronize modal commit editor with panel editor (#26068)

Release Notes:

- Git Beta: Synchronized selections between the modal editor and the
panel editor
- Git Beta: Allow opening the commit modal even if we're unable to
commit.
ebc5c213a2Mikayla Maki committed on 3/4/2025, 9:58:26 PM· committed by GitHubparent0a2d938
6 files changedLine totals unavailable