Fix to ScriptableQNameMap (used in JavaScript API) to support the getIds() method

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@6016 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/repo/jscript/ScriptableQNameMap.java

@@ -157,7 +157,7 @@ public class ScriptableQNameMap<K,V> extends QNameMap<K,V> implements Scriptable
      */
     public Object[] getIds()
     {
-        return null;
+        return keySet().toArray();
     }
 
     /**