Bug 134488 Set page break for table inside list group header will cause data display error.
Description: Set page break for table inside list group header will cause data display error. Steps to reproduce: 1. Insert a list with a group 2. Insert a table to list group header 3. Set page-break-before to always to table. 4. Preview in web viewer/html/pdf. See attached report. Expected result: Data display correctly Actual result: In Web Viewer, data in table kept display the first data row in each page. In html/pdf, it's ok.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/internal/document/v2/ReportContentLoaderV2.java
* 
	 * @param pageNumber
	 * @param emitter
	 */
	public void loadPage( long pageNumber, boolean bodyOnly,
			IContentEmitter emitter )
	{
		emitter.start( reportContent );
		this.emitter = emitter;
		try
		{
			openReaders( );
			excutePage( pageNumber, bodyOnly );
		}
		catch ( Exception ex )
		{
			logger.log( Level.SEVERE, "Failed to load the page", ex );
			ex.printStackTrace( );
		}
		finally
		{
			emitter.end( reportContent );
			closeReaders( );
		}
	}
	public void loadReportlet( long offset, IContentEmitter emitter )
	{
		emitter.start( reportContent );
		this.emitter = emitter;
		try