Modular PCs rewrite (#20003)

* Modular computers rework, part A

* tweaks&fixes

* Adds component-side compatibility checks

* Moves computers to SSobj

* Fixes stationary computers not using power usage vars

* Changes icon generation a bit, adds icons to broken computers

* Moves UI into it's own file

* Laptop refactor + sprite replacement

* Modular console's keyboard now lights up when powered

* minor fixes

* fixes

* bonus: wired connector, new type of recharger

* Modular computers are now devices

* code quality ocd

code/modules/modular_computers/NTNet/NTNet_relay.dm

@@ -42,6 +42,8 @@
 	else
 		use_power = 1
 
+	update_icon()
+
 	if(dos_overload)
 		dos_overload = max(0, dos_overload - dos_dissipate)