bug detector

This is a port of /tg/'s "AI detector" syndicate item with some tweaks as requested by #1647. Now detects (in order of priority) if the AI can see you, if a pAI is nearby, if an active tape recorder is nearby, or if a voice analyzer (or an assembly/transfer valve with a voice analyzer attached) is nearby. The green light on the multitool icon changes in response to detected devices. Still functions as a normal multitool.

Color code is:
red for AI can see you
orange for pAI nearby
yellow for active tape recorder nearby
blue for voice analyzer nearby
green, obviously, is all clear
Would be good to implement this as bitflags