Steps to reproduce:

• Join to The Hive partner server;
• Join on the Bed Wars Solos mode;
• Hunger bar is should hidden there, but retained for some reason.

Steps to reproduce in video: https://youtu.be/QwATofI8hBU

Another way to reproduce:

• Create the server on third-party server software;
• Send SetHudPacket after player join with parameters, that should hide the hunger bar;
• Hunger bar at this moment should hide, but not.