Fixes two bugs. (#7716)

code/modules/research/designs/mechfab/mechs/designs_exosuits.dm

@@ -226,7 +226,7 @@
 	id = "sphere_body"
 	build_path = /obj/item/mech_component/chassis/pod
 	time = 50
-	materials = list(MATERIAL_STEEL = 18000)
+	materials = list(DEFAULT_WALL_MATERIAL = 18000)
 
 /datum/design/item/mechfab/exosuit/hydraulic_clamp
 	name = "hydraulic clamp"

code/modules/vehicles/droppod.dm

@@ -30,8 +30,8 @@
 	desc = "A big metal pod painted in the colors of the Tau Ceti Foreign Legion."
 	icon_state = "legion_pod"
 
-/obj/vehicle/droppod/Initialize()
-	. = ..()
+/obj/vehicle/droppod/MouseDrop(atom/over_object)
+	return
 
 /obj/vehicle/droppod/emag_act()
 	return