Issue description:

When storing or saving OpenComputers Cable blocks inside RefinedStorage, they show up in the grid as "Air". I've tested this on a superflat world with just RS and OpenComputers installed.

Worth noting is that the blocks remain valid for crafting, including being used in recipies, however they get removed on save file reload.

What happens:

The cables get turned into "Air" according to the grid, and disappear when you reload.

What you expected to happen:

Safely-stored "Cable" blocks.

Steps to reproduce:

1. Put together an RS creative controller, disk rack and grid
2. Place a 64k drive in the RS Disk rack
3. Access grid and place OpenComputers cable in it
4. The cables are gone! In the first slot is a block titled "Air" with 0 total.
5. Reloading the save causes the cables to be completley gone from storage.

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

• Minecraft: 1.12.2
• Forge: 1.12.2-14.23.1.2555
• Refined Storage:1.5.30
• OpenComputers: 1.7.1.43

Does this issue occur on a server? [yes/no] unk

If a (crash)log is relevant for this issue, link it here: