Destroy tweaks.

Ports Destroy() proc tweaks from Paradise and /tg/, sourced from https://github.com/ParadiseSS13/Paradise/pull/2091.
Adds returns in Destroy()s, to prepare for future return values.

code/modules/power/apc.dm

@@ -170,21 +170,19 @@
 	area.power_equip = 0
 	area.power_environ = 0
 	area.power_change()
-	if(wires)
-		qdel(wires)
-		wires = null
+	qdel(wires)
+	wires = null
+	qdel(terminal)
+	terminal = null
 	if(cell)
-		cell.loc = loc
+		cell.forceMove(loc)
 		cell = null
-	if(terminal)
-		qdel(terminal)
-		terminal = null
 
 	// Malf AI, removes the APC from AI's hacked APCs list.
 	if((hacker) && (hacker.hacked_apcs) && (src in hacker.hacked_apcs))
 		hacker.hacked_apcs -= src
 
-	..()
+	return ..()
 
 /obj/machinery/power/apc/proc/make_terminal()
 	// create a terminal object at the same position as original turf loc
@@ -468,7 +466,7 @@
 			return
 
 		user.drop_item()
-		W.loc = src
+		W.forceMove(src)
 		cell = W
 		user.visible_message(\
 			"<span class='warning'>[user.name] has inserted the power cell to [src.name]!</span>",\

code/modules/power/port_gen.dm

@@ -127,7 +127,7 @@
 
 /obj/machinery/power/port_gen/pacman/Destroy()
 	DropFuel()
-	..()
+	return ..()
 
 /obj/machinery/power/port_gen/pacman/RefreshParts()
 	var/temp_rating = 0
@@ -245,11 +245,11 @@
 	sheets = 0
 	sheet_left = 0
 	..()
-	
+
 /obj/machinery/power/port_gen/pacman/emag_act(var/remaining_charges, var/mob/user)
 	if (active && prob(25))
 		explode() //if they're foolish enough to emag while it's running
-	
+
 	if (!emagged)
 		emagged = 1
 		return 1

code/modules/power/singularity/particle_accelerator/particle_control.dm

@@ -30,7 +30,9 @@
 /obj/machinery/particle_accelerator/control_box/Destroy()
 	if(active)
 		toggle_power()
-	..()
+	qdel(wires)
+	wires = null
+	return ..()
 
 /obj/machinery/particle_accelerator/control_box/attack_hand(mob/user as mob)
 	if(construction_state >= 3)

code/modules/power/smes_construction.dm

@@ -76,11 +76,11 @@
 	should_be_mapped = 1
 
 /obj/machinery/power/smes/buildable/Destroy()
-	..()
 	qdel(wires)
+	wires = null
 	for(var/datum/nano_module/rcon/R in world)
 		R.FindDevices()
-
+	return ..()
 
 // Proc: process()
 // Parameters: None