Created by: jakmak5
https://github.com/d3athrow/vgstation13/pull/13827 caused a bug where you could not stack flatpacks and so this PR reverts that bug to a copy of flatpack code that allows stacking
Created by: jakmak5
https://github.com/d3athrow/vgstation13/pull/13827 caused a bug where you could not stack flatpacks and so this PR reverts that bug to a copy of flatpack code that allows stacking