fix (SlimefunReloadingProject#57)

* fix script

* fix machine

* Update CustomNoEnergyMachine.java

* Update JavaScriptEval.java

* Update CustomWorkbench.java

Author: balugaq

src/main/java/org/lins/mmmjjkx/rykenslimefuncustomizer/objects/customs/machine/CustomWorkbench.java

@@ -294,7 +294,10 @@ public CustomLinkedMachineRecipe findNextLinkedRecipe(BlockMenu blockMenu) {
 
 
             for (int slot : inputMap.keySet()) {
-                blockMenu.consumeItem(slot, inputMap.get(slot).getAmount());
+                ItemStack itemStack = blockMenu.getItemInSlot(slot);
+                if (itemStack != null && itemStack.getType() == Material.AIR) {
+                    blockMenu.consumeItem(slot, inputMap.get(slot).getAmount());
+                }
             }
             return recipe;
         }