Furnace bug

Put the summary of the bug you're having here you can't get gold iron or food out of the furnace

What I expected to happen was...:
Describe what you thought should happen here I was expecting to get my smelted ore back

What actually happened was...:
Describe what happened here I left it in there and when it was all done I went to grab it and I could not get it

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
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