teleport inside a building exp mess up with his bones

when you tele inside an exp, it fuck up the bones (i guess), and units can miss them more easily.
if you give attack order on the exp, it will shoot it down, but chances to miss increase when you give move orders.

http://content.faforever.com/faf/vault/replay_vault/replay.php?id=7467924 (more at the end 12-17 min)

[game.log](https://github.com/FAForever/fa/files/1713498/game.log)

this disappear when the unit has been built.