Issue description
I hooked up my coal the the limestone input and the limestone to the coal input, the building still accepts the items and works.
Picture:
https://discord.com/channels/803508556325584926/883590993063051275/1152908953215320094

Is it supposed to be the accept multiple icon like the blast furnace?
Reproduction steps
Build Kiln
Hookup inputs backwards.
Game version and build number
v0.5.5 (b246)
Operating system
Windows
