Mining nylium drops nylium instead of netherrack

Observed results:

In Java Edition, Nylium drops nylium instead of netherrack when mined with a pickaxe. This is wokring as intended per the comment in MC-170900.

In Bedrock Edition, Nylium drops netherrack when mined with a pickaxe without Silk Touch. This is working as intended per MCPE-66941.

Expected results:

Parity