Describe the bug
Attempting to automatically fill a furnace burner with a non-fuel item causes the server to crash until the mod is removed.

To Reproduce

• Use a mechanical belt from create
• Connect the belt to a furnace burner with a funnel (andesite was used when tested)
• Put non-fuel item on conveyer belt and feed it to burner (andesite casing and gearbox were tested)

Additional context

• Mod version: createaddition-1.18.2-20220525a
• Fabric version: 0.14.4
• Create version: create-mc1.18.2_v0.4.1+576

This can happen with any form of pushing items into the furnace, including hopper.

Fastest way to reproduce: Take a furnace burner, place a hopper, put a non-fuel item into it. Game will crash.

fixed in 20220621a.