Revert "agent_ui: Fix agent UI stealing focus on start up" (#46231)

Reverts zed-industries/zed#46088

This also made the new thread action no longer focus so this wasn't the
right way to address this
7274a96154Lukas Wirth committed on 1/7/2026, 7:20:50 AM· committed by GitHubparentf4aad4b
1 file changedLine totals unavailable