Add isItemValid check for ItemStackHandler (#5850)

src/main/java/net/minecraftforge/items/ItemStackHandler.java

@@ -80,6 +80,9 @@ public class ItemStackHandler implements IItemHandler, IItemHandlerModifiable, I
     {
         if (stack.isEmpty())
             return ItemStack.EMPTY;
+            
+        if (!isItemValid(slot, stack))
+            return stack;
 
         validateSlotIndex(slot);