Bug 142928 Item from library is changed to a report design item after revert to report item
Details: Item from library is changed to a report design item after revert to report item. Setp: 1.New a template. 2.Use a libary contain a label. 3.Drop the label from library explorer into layout. 4.Change the label to template item. 5.Revert the template item to report item. Actual result: The label is become a report item, but a item from library. Please see the attach image. Exception result: The lable is revert a item from library.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/views/DefaultNodeProvider.java
public Image getNodeIcon( Object model )
	{
		Image icon = null;
		String iconName = getIconName( model );
		if ( model instanceof DesignElementHandle
				&& ( (DesignElementHandle) model ).getSemanticErrors( ).size( ) > 0 )
		{
			return ReportPlatformUIImages.getImage( ISharedImages.IMG_OBJS_ERROR_TSK );
		}
		if ( iconName != null )
		{
			icon = ReportPlatformUIImages.getImage( iconName );
		}
		if ( icon == null )
		{
			if ( model instanceof DesignElementHandle )
			{
				icon = ReportPlatformUIImages.getImage( model );
			}
		}
		return icon;
	}
	/**
	 * Gets the tooltip of the node
	 * 
	 * @param model
	 *            the model of the node
	 * @return Returns the tooltip name for the node, or null if no tooltip is
	 *         needed.
	 */