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
return null;
				}
				Object leftEdge = sections[nextSection][0];
				if ( leftEdge == Segment.LEFT_MOST_EDGE )
				{
					DocumentExtension docExt = (DocumentExtension) content
							.getExtension( IContent.DOCUMENT_EXTENSION );
					if ( docExt != null )
					{
						nextOffset = docExt.getFirstChild( );
					}
				}
				else
				{
					InstanceIndex leftIndex = (InstanceIndex) leftEdge;
					InstanceID leftId = leftIndex.getInstanceID( );
					nextOffset = leftIndex.getOffset( );
					uniqueId = leftId.getUniqueID( );
				}
			}
		}
		
		
		ReportItemExecutor childExecutor = doCreateExecutor( nextOffset );
		if ( childExecutor != null )
		{
			IContent childContent = childExecutor.execute( );
			if ( childContent != null )
			{