[PHP7] Add constructor compatibility on eZContentObjectTreeNode (#1395)

* [PHP7] Add ctor compat on eZContentObjectTreeNode
* Fix recursion in tests by using parent::

Author: andrerom

kernel/classes/ezcontentobjecttreenode.php

@@ -32,6 +32,15 @@ class eZContentObjectTreeNode extends eZPersistentObject
     const SORT_ORDER_DESC = 0;
     const SORT_ORDER_ASC = 1;
 
+    /**
+     * @deprecated Use eZContentObjectTreeNode::__construct() instead
+     * @param int|array $row
+     */
+    function eZContentObjectTreeNode( $row = array() )
+    {
+        parent::__construct( $row );
+    }
+
     /**
      * @inheritdoc
      */