prevent NPE on entity item state check

docs/src/progress/renderertodo.md

@@ -677,6 +677,7 @@ Better jenkins documentation
 Include jenkins dockerfile in repo
 Better model for gameobjects
 Server synchronization of sprint tree
+Fix potential bad path for item state lookup
 
 
 # TODO

src/main/java/electrosphere/entity/types/item/ItemUtils.java

@@ -355,7 +355,7 @@ public class ItemUtils {
      * @return true if the item IS in an inventory container, otherwise false
      */
     public static boolean itemIsInInventory(Entity item){
-        return (boolean)item.getData(EntityDataStrings.ITEM_IS_IN_INVENTORY);
+        return item.containsKey(EntityDataStrings.ITEM_IS_IN_INVENTORY);
     }
 
     /**