Infrared emitter/related assemblies detect ghosts and (directional) lights as movement

[SpiritAngler]

---- Testmerges: ----
Round ID: 2925
BYOND Version: 514.1589
Server revision compiled on: 2023-09-16T17:24:05+00:00
Master commit: c5c4e1af45bf055e8ab475dccc40838d0dbb945d
The following pull requests are currently test merged:
#3067: 'Sepia Filter Sunlight Experiment' by Tk420634 at commit bb536f7e0d

Local commit: 2d326af7351388db5173bc164aef5d720de4005b
TGS version: 5.2.4
DMAPI version: 5.6.1

Current Informational Settings:
Protect Authority Roles From Traitor: 0
Protect Assistant Role From Traitor: 0
Enforce Human Authority: 0
Allow Latejoin Antagonists: 1

---- Reproduction: ----
Infrared emitter detects directional light sources as movement. Ghosts can also set it off, for some reason.

It's not a huge deal, and easy to test/replicate-- it's just a little annoying, sometimes.

---- Screenshots: ----

N/A

---- Additional context: ----

N/A