Issue description: dupe items in a unpowered crafting grid when you shift click the item in the grid not the output

What happens:doubles items

What you expected to happen:get item back

Steps to reproduce:

1.have a unpowered rs crafting grid
2.put in a stackable item in the grid
3.then shift click the item in the grid not the output
...

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

• Minecraft:1.12.2
• Forge:14.23.4.2706
• Refined Storage:1.6.5

Does this issue occur on a server? yes

here is a clip of how to do it:
https://clips.twitch.tv/WiseFancyNuggetsCoolStoryBro

Fixed in dev.