Drowned can die in powder snow instead of converting to frostbite

Same issue in MC-312385, May not be break for parity

Drowned can died in powder snow instead of converting to frostbite, Unlike zombie

Steps to reproduce

1. Create a powder snow chamber setup with 4 diagonal glass and 1 powder snow

2. Spawn only 1 drowned to swim power snow then wait for observe

Observed result: Drowned kills in powder snow

Expected behavior: Drowned can convert to frostbite instead of killing in powder snow