Pressing Esc or using the Cancel button in the "Experimental Settings" warning returns to main menu

The bug

When using Esc or the Cancel button to attempt to exit from the "Experimental Settings" warning, the game returns back to the main menu instead of the world selection screen.

How to reproduce

1. Install the data pack below in a world for easier reproduction.
2. Enter the world from the main menu to show the warning.
3. Press Esc or use the Cancel button.
   → The game returns to the main menu.