Auto-Craft IC(MC1219) LOSE items when face to a FULL Shulker Box

[kites262]

Versions CraftBook version: craftbook-3.10.6 Bukkit version: paper-1.18.1-178 Describe the bug

When a dropper face with a shulker box which is already full, the IC: Auto Craft could craft but missing the result of crafting.

To Reproduce

1. A block with "[MC1219]S" sign is under a dropper.
2. The dropper is face to a already FULL shulker box
3. Then, the craft results could miss.

Expected behavior

1. The IC stops crafting.

Screenshots

Additional context

[me4502]

If this is happening, it's a spigot bug. CraftBook is just triggering the dispenser, anything beyond that point is handled by spigot.