Summary:
Chiseled sandstone and chiseled red sandstone cannot be used to craft sandstone stairs and red sandstone stairs, but they can be used to craft sandstone slabs and red sandstone slabs.

Steps to Reproduce:

1. Obtain a stack of chiseled sandstone and chiseled red sandstone
2. Place and open a crafting table
3. Attempt to craft sandstone stairs with chiseled sandstone and red sandstone stairs with chiseled red sandstone

Observed Results:
Sandstone and red sandstone stairs cannot be crafted.

Expected Results:
Sandstone and red sandstone stairs should be able to be crafted.

Screenshots: