Update Player.weapon when the player's weapon changes zones
Update Player.weapon when the player's weapon changes zones

It can't realistically happen that a weapon is moved out of the
PLAY Zone without being destroyed, but this is more correct.

liujimj/fireplace,Ragowit/fireplace,amw2104/fireplace,oftc-ftw/fireplace,butozerca/fireplace,beheh/fireplace,liujimj/fireplace,smallnamespace/fireplace,butozerca/fireplace,NightKev/fireplace,jleclanche/fireplace,Meerkov/fireplace,Meerkov/fireplace,Ragowit/fireplace,oftc-ftw/fireplace,smallnamespace/fireplace,amw2104/fireplace