Bug 199363 [Automation][Regression] list and table group page break will yield empty page
steps to reproduce: - use the attached report design - preview in web viewer expected behavior: - page break behavior is correct actual behavior: - empty pages were rendered
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/layout/html/buffer/HTMLPageBuffer.java
boolean isFinished = finished && !isRepeated;
				_endContainer(content, isFinished, emitter);
				break;
			case IContent.PAGE_CONTENT:
				endPage(content, finished, emitter);
				break;
			
			case IContent.CELL_CONTENT:
				endCell(content, finished, emitter);
				break;
			default:
				_endContainer(content, finished, emitter);
				break;
		}
		
	}
	
	private void _endContainer(IContent content, boolean finished, IContentEmitter emitter)
	{
		((AbstractNode)currentNode).setFinished( finished );
		if(currentNode.isStarted( ))
		{
			currentNode.end(  );
		}
		else
		{
			if(finished)
			{
				currentNode.flush( );
			}