even more JEI integration

get ingredient from the crafting calculation GUIs

src/main/java/appeng/container/implementations/ContainerCraftAmount.java

@@ -51,6 +51,12 @@ public class ContainerCraftAmount extends AEBaseContainer
 		this.addSlotToContainer( this.getCraftingItem() );
 	}
 
+	@Override
+	public Slot getSlot( int slotId )
+	{
+		return super.getSlot( 0 );
+	}
+
 	@Override
 	public void detectAndSendChanges()
 	{