Issue Description:

When having an iron backpack on with the quick deposit upgrade installed, having some items in your backpack, it won't allow you to place a block on a block with an inventory (ie chest). It places a ghost item in your hotbar like a desync.

What happens:

https://www.dropbox.com/s/j2iv5qd4yjvyjrg/2016-12-15_21-10-00.mp4?dl=0

What you expected to happen:

Steps to reproduce (important):

1. Have backpack with quick deposit upgrade
2. Have items in the backpack
3. Place block on another block with an inventory
   ...

Affected Versions (Do not use "latest"):

• IronBackpacks: 2.19
• Minecraft: 1.10.2
• Forge: 2185

Update to 2.2.20, it should be fixed there.

Duplicate of #121

Ya know, I almost looked to see if that was fixed but decided to put the issue in anyways. I'll get the FTB tester team up to date. Thanks :)

No worries, it takes me all of 30 seconds to close it. I would much rather you err on the side of reporting too much than too little :)