Proper parsing of power grants

src/engine/objects/ItemTemplate.java

@@ -356,7 +356,7 @@ public class ItemTemplate {
 
                 for (Object grantArrayEntry : powerGrantsArray) {
                     JSONObject powerGrantEntry = (JSONObject) grantArrayEntry;
-                    JSONObject powerGrant = (JSONObject) powerGrantEntry.get("granted_powers");
+                    JSONObject powerGrant = (JSONObject) powerGrantEntry.get("power_granted_powers");
 
                     for (Object key : powerGrant.keySet()) {
                         String powerString = (String) key;