Allow editing Agent2 messages (#36155)

Release Notes:

- N/A

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Co-authored-by: Antonio Scandurra <me@as-cii.com>
Co-authored-by: Agus Zubiaga <agus@zed.dev>
e5402d5464Conrad Irwin committed on 8/14/2025, 1:39:33 PM· committed by GitHubparentffac8c5
14 files changedLine totals unavailable