git: Bring back auto-commit suggestions (#43470)

This got accidentally regressed in
https://github.com/zed-industries/zed/pull/42149.

Release Notes:

- Fixed displaying auto-commit suggestions for single staged entries.
552bc02783Jakub Konka committed on 11/25/2025, 4:26:44 PM· committed by GitHubparentfafe1af
1 file changedLine totals unavailable