Small tweaks and fixes

Fixed the ID computer's verb 'Eject ID' being usable by non-humans (resulting in mice and other mobs stealing IDs)
Fixed dice becoming invisible if their name was changed (like with a hand labeller)
Fixed being able to use the sound synthesizer without cooldown on one person

Robots are no longer pretending to drink stuff, now they actually do it. For now it just removes reagents from the container, and doesn't interact with the borgs in any way, but it gives service borgs a way to remove stuff from their shaker very quickly.
Service borgs receive a d6 and d20 (named probability cube and probability icosahedron, respectively)
Standard borgs receive a sound recorder and a usable megaphone
'Boo!' ghost spell now gives spooky messages to silicons