I'm on Star Forge server and made a "wookiee room" full of huggable wookies and Bowdar, as well as a wookiee disguise terminal so you could hang out. Recently I noticed that when changing into a wookiee, Bowdar vanished. I ran around the stronghold and soon realized that all my companion decos had vanished. I went to other SHs and tried it with different disguise terminals. Every time one is used, the companion decos and only those decos disappear. If you click on their hook, they can be moved and picked up, but they won't be visible again until you either relog or pick them up and place them.