Page header isn't rendered for pages where URL has changed during render

	// the url might have changed after page has been rendered (e.g. the
	// stateless flag might have changed because stateful components
	// were added)
	final Url afterRenderUrl = requestCycle
		.mapUrlFor(getRenderPageRequestHandler());

	if (beforeRenderUrl.getSegments().equals(afterRenderUrl.getSegments()) == false)
	{
		// the amount of segments is different - generated relative URLs
		// will not work, we need to rerender the page. This can happen
		// with IRequestHandlers that produce different URLs with
		// different amount of segments for stateless and stateful pages
		response = renderPage(afterRenderUrl, requestCycle);
	}

	if (currentUrl.equals(afterRenderUrl))