Fixes holotool lighting

[JohnFulpWillard]

Document the changes in your pull request

set_light is a proc used for static lights, and it throws a runtime when you try to use it on movable lights (like the Holotool).
This fixes that, basically.

Why is this good for the game?

Fix

Testing

https://github.com/yogstation13/Yogstation/assets/53777086/ee7bb9d1-1ae0-4a11-b1d0-dd2e7acbcf9f
https://github.com/yogstation13/Yogstation/assets/53777086/89e90c39-e203-4288-a8c0-61b11305e3c3

Changelog

🆑
fix: Holotool now doesn't cause errors and lights should more consistently follow the player.
/:cl:

[AMyriad]

damn, thought I fixed it

[JohnFulpWillard]

Your PR fixed the biggest issue with it but it also caused it to runtime every time you would turn it on cause the set_light proc doesn't support using movable lights w/ them.

Yogstation/code/modules/lighting/lighting_atom.dm

Lines 41 to 48 in 10cd212

	/// Will update the light (duh).
	/// Creates or destroys it if needed, makes it update values, makes sure it's got the correct source turf...
	/atom/proc/update_light()
	SHOULD_NOT_SLEEP(TRUE)
	if(light_system != STATIC_LIGHT)
	CRASH("update_light() for [src] with following light_system value: [light_system]")