Issue Description:

The item_function_upgrade show all creative tabs, This can be fixed by add tab == EnderIOTab.tabEnderIO && tab == CreativeTabs.SEARCH

https://github.com/SleepyTrousers/EnderIO/blob/master/enderio-conduits/src/main/java/crazypants/enderio/conduit/item/ItemFunctionUpgrade.java#L52

What happens:

Steps to reproduce:

• Just look all creative tabs.

Affected Versions (Do not use "latest"):

• EnderIO: Latest 1.12.2 Dev
• EnderCore: Latest 1.12.2 Dev
• Minecraft: 1.12.2
• Forge: Latest build

I know you told me that do not use the latest version, I just saw this bug during testing.

All upgrades do this. Will be fixed soon.

This was fixed a while ago