Is there an existing issue for this?

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Description of the Bug

Putting a hopper inserting iron tools/coal coke in the blast furnace will instead put them in the output slots if the input/fuel is occupied
The secondary output slot will be filled if the first one is already full

Configuration

- Mod version: 1.0.4
- NeoForge/Forge version: Forge 47.1.1
- Minecraft version: 1.20.1
- Are you playing on a server?: No

To Reproduce

1. Build a Blast Furnace
2. Put a hopper leading into it
3. Put 2 iron tools that can be turned into steel, or a coal coke and a block of coal coke in the hopper
4. The 2nd item is now in the blast furnace output

Expected behavior

The iron tool and coal coke should be unable to be insterted in the blast furnace if there is already something in the input/fuel slot

Logs & Environment

No response

Screenshots & Video

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