Add adjustments to agent v2 pane changes (#44885)

Follow-up to https://github.com/zed-industries/zed/pull/44190.

Release Notes:

- N/A
f2f3d9faf6Danilo Leal committed on 12/15/2025, 4:02:01 PM· committed by GitHubparentb922019
6 files changedLine totals unavailable