Create() runs twice for Attachables in build phase

[fourZK]

Create() seems to run twice in bunker building phase, making things like adding attachables on Create() run once in the cursor preview, and again when the object is added, ultimately adding that attachable twice (which we do not want to happen).

EDIT: It seems that Create() runs for whatever attachables the MO has, this case was originally with a script attached to the Head of an AHuman. Running a script off the actor itself works fine. The issue still remains, however not as severe. It's also probably possible to be passed with a simple number value check.

Feel free to close this issue if you agree that the bug is very insignificant.

[garethyr]

There are a few options for solutions:

1. Have a lua accessible flag that can be used to check we're not running editor/aren't running on a ghost object.

2. Have the placed object be a new copy from PresetMan instead of a copy of the ghost version. This is probably the best option.