Describe the bug
Soapstone slabs. When u mine them back up they become Komatite slabs

To Reproduce
Soapstone slabs. When u mine them back up they become Komatite slabs

Expected behavior
Soapstone slabs. When u mine them back up they are Soapstone slabs

Info (please complete the following information):

• Modpack Version: 2.78 on your github, version around 3 weeks ago.
• Server or Singleplayer: Server
• Version the world was created on: Same as above.

Additional context
May have been fixed already, but just wanted you guys to know.

Duplicate of #362