Replace air bottle by empty bottle when repairing spacesuit

This gives the empty heavy iron bottle back when crafting an air
bottle and a spacesuit part to repair the spacesuit part.

repair.lua

@@ -9,6 +9,9 @@ if has_vacuum then
 			recipe = {
 				"vacuum:air_bottle",
 				partname
+			},
+			replacements = {
+				{"vacuum:air_bottle", "vessels:steel_bottle"}
 			}
 		})
 	end