Hotfix of IAA paper icon

Hotfix for a change is how the papers iconstate change was handled in https://github.com/d3athrow/vgstation13/blob/Bleeding-Edge/code/modules/paperwork/paper.dm

Didn't exhaustively test everything remotely related but it should be aight.
Merge pull request #1376 from SarahJohnson489/patch-5

Hotfix of IAA paper icon