Fix Incorrect handleDragNDrop Implementation (#639)

src/main/java/codechicken/nei/recipe/CheatItemHandler.java

@@ -36,11 +36,10 @@ public class CheatItemHandler extends INEIGuiAdapter {
                     draggedStack.stackSize -= total - contents;
                 }
 
+                return true;
             } else {
                 draggedStack.stackSize = 0;
             }
-
-            return true;
         }
 
         return false;