Adding page from Tree example shows incorrect icon

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From your Tree example, if you add a "New Page" to an existing folder, the icon should display as a page. Currently it displays as a folder icon.

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    addNode : function (parent, type, name, onSuccess) {
        nextId = nextId + 1;
        onSuccess({ id: nextId, parent: parent, name: name, cssClass: type});  // add in cssClass to fix the issue
    }