Some Crafting recipes for the new copper blocks appear when Experiment is disabled

The Bug

The Crafting recipes for Copper Door and Copper Trapdoor appear when not having the 1.21 experiment enabled.

Reproduce

• Create a new world without the experiment
• Get a copper block
• Open a Crafting Table Knowledge Book

Observed Result

Copper Trapdoor and Copper Door appeared in the recipe book

Expected Result

The recipes wouldn't appear