Gilded blackstone uses nether ore sounds

(Might be intended as MCPE-74881 is confirmed by mojang to be a bug)

Gilded blackstone uses the nether ore sounds despite not being an ore. 

Expected results:

It uses stone sounds or netherrack sounds

Observed results:

It uses nether ore sounds

Steps to Reproduce:

1. Break, place, or step on gilded blackstone