Checked for existing issues

• I have checked for existing issues, and have found none.

Tested latest version

• I have checked that this occurs on the latest version.

GregTech CEu Version

v1.4.5

Minecraft Version

1.20.1

Recipe Viewer Installed

EMI

Environment

Singleplayer

Cross-Mod Interaction

No

Other Installed Mods

Monifactory

Expected Behavior

Expected:
First item would be ignored (too low heat)
Second item would start smelting

Actual Behavior

Blast furnace does not smelt anything

Steps to Reproduce

Build a blast furnace
put an unsmeltable item in (not enough required heat)
put another item in

Additional Information

No response