Issue Description:

Duplicating Dark Stell Upgrades

What happens:

The entire inventory was filled with improvements when removing them while holding the SHIFT button (Works in single player)

What you expected to happen:

Remove Upgrade

Steps to reproduce:

1.Take upgraded item (sword,axe etc.)
2.Pull it to Dark Stell Anvil
3.Remove the Upgrade with holding SHIFT
Video: https://youtu.be/SFwxRB7Z7A8

Affected Versions (Do not use "latest"):

• EnderIO:EnderIO-base-1.12.2-5.1.52, EnderIO-machines-1.12.2-5.1.52,EnderIO-integration-tic-1.12.2-5.1.52
• EnderCore:EnderCore-1.12.2-0.5.72
• Minecraft:1.12.2
• Forge:1.12.2 - 14.23.5.2847
• SpongeForge? yes
• Optifine? yes
• Single Player and/or Server? Server and Single Player

Your most recent log file where the issue was present:

https://paste.dimdev.org/oyaneyufuy.md (but log has no information about EnderIO when dupe)

#5262