If configured with `“time” : 0`, player controls will not function immediately upon entering the world.

[iekiekkeikei]

Reproduction Steps
*Test Environment 1.20.1 Forge 47.4.13 seamless-loading-screen-2.0.3+1.20.1-forge

1. Set "time": 0 in the config
2. Enter the world
3. Player controls are disabled, as if the GUI is still open
   *Pressing the ESC key enables controls

test-seamless-loading-screen.mp4