git_ui: Fix panic when splitting a pane containing a commit view (#58853)

Closes FR-65

Release Notes:

- Fixed a crash when splitting a pane containing a commit view.
a1a66114e9Smit Barmase committed on 6/8/2026, 5:33:04 PM· committed by GitHubparent37392b6
1 file changedLine totals unavailable