The menu background is not shown for a short amount of time when leaving a world from a dialog

The bug

When leaving a world from the custom screen info screen, the menu background — the panorama or the dirt background — is not shown for a short amount of time, usually a few seconds. Instead, a black background is shown.

Steps to reproduce

1. Enter a world.

2. Execute the following command to show a built-in dialog:

   /dialog show @s minecraft:custom_options

3. Click on the warning button to open the custom screen info screen.

4. Click on the disconnect button to leave the world.

Expected behavior

The menu background would be shown instantly.

Observed behavior

The menu background will take a short amount of time to appear.