Chair stays occupied if non-owner disconnects while sitting on it

[asyasmi]

If player with no authority over a campchair disconnects while sitting on a chair, it always stays in occupied state.

We check if chair's free only on OnStateAuthority

campfire-tutorial/Assets/Scripts/Objects/Chair.cs

Line 20 in ded278e

private void OnStateAuthority()

but it's only called by the owner on gaining authority.