Research and Lathes resprite emissives + tcomms emmisives (#20398)

Title. 'nuff seid.

Also fixes the fucked up material insertion animations to use
flick_overlay_view so it isn't laggy as fuck.

And adds emissives to machines that have lights so they glow in the dark
epically.

<img width="138" alt="dreamseeker_N6egRW6Yz3"
src="https://github.com/user-attachments/assets/a17f12ba-b768-4ad6-a35f-baf33aaae658"
/>

code/modules/research/tech_processor.dm

@@ -1,7 +1,7 @@
 /obj/machinery/r_n_d/tech_processor
 	name = "\improper R&D tech processor"
 	desc = "A highly advanced analytical computation engine, when connected to an R&D server with a multitool, it will start processing known technology and add research points to it."
-	icon_state = "tech_processor"
+	icon_state = "RD-server"
 
 	component_types = list(
 		/obj/item/circuitboard/rdtechprocessor,
@@ -76,10 +76,10 @@
 /obj/machinery/r_n_d/tech_processor/update_icon()
 	ClearOverlays()
 	if(stat & (NOPOWER|BROKEN))
-		icon_state = "[initial(icon_state)]_off"
+		icon_state = "[initial(icon_state)]-off"
 	else if(!linked_server)
-		icon_state = "[initial(icon_state)]_unlinked"
+		icon_state = "[initial(icon_state)]-halt"
 	else
-		icon_state = initial(icon_state)
+		icon_state = "[initial(icon_state)]-on"
 	if(panel_open)
 		AddOverlays("[initial(icon_state)]_open")