refactors attack_hand, attackby, attack_self (#5120)

Co-authored-by: silicons <no@you.cat>

code/modules/modular_computers/NTNet/NTNet_relay.dm

@@ -70,7 +70,7 @@
 		ui.open()
 		ui.set_auto_update(1)
 
-/obj/machinery/ntnet_relay/attack_hand(var/mob/living/user)
+/obj/machinery/ntnet_relay/attack_hand(mob/user, list/params)
 	nano_ui_interact(user)
 
 /obj/machinery/ntnet_relay/Topic(href, href_list)

code/modules/modular_computers/computers/modular_computer/interaction.dm

@@ -109,13 +109,16 @@
 /obj/item/modular_computer/attack_ai(mob/user)
 	return attack_self(user)
 
-/obj/item/modular_computer/attack_hand(mob/user)
+/obj/item/modular_computer/attack_hand(mob/user, list/params)
 	if(anchored)
 		return attack_self(user)
 	return ..()
 
 /// On-click handling. Turns on the computer if it's off and opens the GUI.
 /obj/item/modular_computer/attack_self(mob/user)
+	. = ..()
+	if(.)
+		return
 	if(enabled && screen_on)
 		nano_ui_interact(user)
 	else if(!enabled && screen_on)

code/modules/modular_computers/laptop_vendor.dm

@@ -214,7 +214,7 @@
 		return 1
 	return 0
 
-/obj/machinery/lapvend/attack_hand(var/mob/user)
+/obj/machinery/lapvend/attack_hand(mob/user, list/params)
 	nano_ui_interact(user)
 
 /obj/machinery/lapvend/nano_ui_interact(mob/user, ui_key = "main", var/datum/nanoui/ui = null, var/force_open = 1)