Oxygen bar appears when generating or re-entering world.

Minecraft 2024-09-03 22-34-16 cut.mp4

 

Steps to reproduce:

1. Generate a world and dive into water. Oxygen bar appears.
2. Exit the world.
3. Reload the world or generate new world.

 

Observed result:
Oxygen bar appears and disappears for a flick second.

 

Expected result:
Oxygen bar doesn't appears.