Support for Item Conditions in Anvil recipes

[ItsKestrel]

The crafttweaker functions from this list don't seem to work: https://crafttweaker.readthedocs.io/en/latest/#Vanilla/Items/Item_Conditions

[Mohron]

If you would like to test this feature and provide feedback, a build is available here: https://github.com/DevOnTheRocks/RockyTweaks/releases/tag/0.6.0-PRE-RELEASE-1