agent_ui: Fix focus moving to buffer on worktree creation (#53972)

Follow-up to https://github.com/zed-industries/zed/pull/53941

Release Notes:

- N/A
e676365c04Danilo Leal committed on 4/15/2026, 9:55:19 AM· committed by GitHubparentf81a5ec
1 file changedLine totals unavailable