Summary:
If the player does not have an active window with minecraft, the world creation and the achievement interface disappears. This does not happen in 1.19.31.

Steps to reproduce:

1. Open the window for creating a new world or achievement.
2. Exit fullscreen mode.
3. Click anywhere outside the minecraft window.

Observed results:
The world creation and the achievement interface is gone.

Expected results:
The world creation and the achievement interface will not disappear.

Video:
2022-10-14 23-20-26.mp4