Issue description:

Dupe bug using Chemical Washer

Steps to reproduce:

1.Open chemical washer gui
2. Put stackable item in left down corner ScreenShot
3.Hold shift and click on this item

Version (make sure you are on the latest version before reporting):

Forge: 14.22.0.2469
Mekanism: 9.4.1.325

Fixed in c1e0cf8