Version
(Dev environment)
Minecraft Version: 1.14.2
NBT Crafting Version: 1.1.15+1.14.1

Describe the bug
Discussed in Discord (I could describe here if you want)

To Reproduce

1. Clone https://github.com/MrIbby/shulker-bag
2. Set up workspace
3. Run client
4. Attempt to craft Shulker Bag as follows:

###
#X#
###

# is leather and X is a shulker box.

Expected behavior
The recipe should output a shulker bag that has the same NBT as the inputted shulker box.

Log
https://gist.github.com/MrIbby/1026bba27f8a6036d842505445b8fb34

Additional context
Dev environment

your recipe should work now ;)