fix: Delays getting item id of craftables until they are needed (#1114)

- [X] Fixes world loading for multi.mul. It was taking 10-15s, now takes 1s or less.
- [X] Fixes loading the crafting system by offloading getting a label number to when the item needs it.

Projects/Server/Items/Item.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Runtime.CompilerServices;
 using Server.ContextMenus;
 using Server.Items;