Issue Description:

Crash on world load.

java.lang.ClassCastException: net.minecraft.item.ItemAir cannot be cast to crazypants.enderio.base.power.wireless.IWirelessCharger$ExcludedItem

What happens:

Crash on world load.

What you expected to happen:

Not crash

Steps to reproduce:

1. load minecraft
2. select World

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Affected Versions (Do not use "latest"):

• EnderIO: Ender IO - 5.3.68
• EnderCore: EnderCore-1.12.2-0.5.76
• Minecraft: 1.12.2
• Forge: 14.23.5.2854
• SpongeForge? no
• Optifine? no
• Single Player

Your most recent log file where the issue was present:

crash-2021-05-28_14.35.14-server.txt