git_ui: Update section header checkboxes immediately on stage/unstage all (#57148)

Release Notes:

- Fixed Stash All / Unstash All checkbox UI delay issue

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Signed-off-by: Xiaobo Liu <cppcoffee@gmail.com>
8734d01903Xiaobo Liu committed on 5/31/2026, 8:04:06 PM· committed by GitHubparent315d474
1 file changedLine totals unavailable