Fixing "not serializable" exception occurring in wicket development m…

…ode when editing resource via debug pages.

infra/prism/src/main/java/com/evolveum/midpoint/prism/PrismContainerValue.java

@@ -126,6 +126,23 @@ public PrismContainerValue(OriginType type, Objectable source, PrismContainerabl
         setPrismContext(prismContext);
     }
 
+    @Override
+    public PrismContext getPrismContext() {
+        return prismContext;
+
+        // we could take prismContext also from the parent, but
+        // actually if it's in the parent, it should be also here
+        // (as the "add" operation automatically adopts/revives
+        // the child being added)
+//        if (prismContext != null) {
+//            return prismContext;
+//        }
+//        if (getParent() != null) {
+//            return getParent().getPrismContext();
+//        }
+//        return null;
+    }
+
     /**
      * Returns a set of items that the property container contains. The items may be properties or inner property containers.
      * <p/>