Bug 187449 [Automation][Smoke][Regression] dynamic text and chart cannot be rendered properly
steps to reproduc: - use the attache report design - preview in pdf and viewer expected behavior: - all report items should be rendered properly actual behavior: - dynamic text and chart were missing in output
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/internal/document/v4/ExtendedItemExecutor.java
{
	protected boolean firstChild;
	public ExtendedItemExecutor( ExecutorManager manager )
	{
		super( manager, ExecutorManager.EXTENDEDITEM );
		firstChild = true;
	}
	public void close( )
	{
		firstChild = true;
		closeQuery( );
		super.close( );
	}
	protected IReportItemExecutor prepareChildExecutor( ) throws Exception
	{