Bug 113938 Report is marked dirty when open/close cascading parameter dialog without doing any operation on it
description: Report is marked dirty when open/close cascading parameter dialog without doing any operation on it steps to reproduce: 1.new a cascading parameter group 2.save the reprot 3.double click the cascading parameter to bring out edit box 4.click OK to close edit box actual result: Report has been marked dirty expected result: No dirty marked for that no operations done in edit parameter dialog
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
* @return position
	 */
	public static int findInsertPosition( DesignElementHandle parent,
			DesignElementHandle element )
	{
		
		if ( element == null )
		{
			SlotHandle slotHandle = parent.getSlot( DEUtil
					.getDefaultSlotID( parent ) );
			if ( slotHandle != null )
			{
				return slotHandle.getCount( );
			}
			return -1;
		}
		return DEUtil.findPos( parent, element.getContainerSlotHandle( )
				.getSlotID( ), element );
	}
	/**
	 * Map GUI defined property key to DE defined property key
	 * 
	 * @param key
	 * @return DE defined property key
	 */
	public static String getGUIPropertyKey( String key )
	{
		if ( key != null )
		{
			return (String) propertiesMap.get( key );