Space heater can now be toggled on/off with right click (tgstation#61334

)

Also copy pasted code from other machines, it worked without issue but if there is anything that can be improved on it, please tell.

I won't open a tgui menu 20 times per shift now.

code/game/machinery/spaceheater.dm

@@ -64,6 +64,7 @@
 		. += "There is no power cell installed."
 	if(in_range(user, src) || isobserver(user))
 		. += span_notice("The status display reads: Temperature range at <b>[settable_temperature_range]°C</b>.<br>Heating power at <b>[siunit(heating_power, "W", 1)]</b>.<br>Power consumption at <b>[(efficiency*-0.0025)+150]%</b>.") //100%, 75%, 50%, 25%
+		. += span_notice("<b>Right-click</b> to toggle [on ? "off" : "on"].")
 
 /obj/machinery/space_heater/update_icon_state()
 	. = ..()
@@ -176,6 +177,13 @@
 		return TRUE
 	return ..()
 
+/obj/machinery/space_heater/attack_hand_secondary(mob/user, list/modifiers)
+	if(!can_interact(user))
+		return
+	on = !on
+	update_appearance()
+	return SECONDARY_ATTACK_CANCEL_ATTACK_CHAIN
+
 /obj/machinery/space_heater/ui_interact(mob/user, datum/tgui/ui)
 	ui = SStgui.try_update_ui(user, src, ui)
 	if(!ui)