the gamerule for natural regeneration does not work in 1.17, once a golden apple is eaten natural regen occurs again

Put the summary of the bug you're having here

the gamerule for natural regeneration does not work in 1.17, once a golden apple is eaten natural regen occurs again

What I expected to happen was...: 
Describe what you thought should happen here

What actually happened was...:
Describe what happened here

Steps to Reproduce:
1. take damage
2. eat golden apple