Blackstone shows a furnace as the icon for the alternative ingredient toast

Steps to Reproduce:

1. Enable the Recipe Unlocking experiment;
2. Get cobblestone:
   You unlock stone tools, a furnace and some cobblestone specific recipes;
3. Get blackstone:
   You get some blackstone specific recipes, and then a second toast saying that it can be used in existing recipes.

Observed Results:
The second toast shows a furnace, even though the blackstone can be used to craft stone tools as well.

Expected Results:
The second toast includes the stone tools as well.

Notes: