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
List list = new ArrayList( );
		ISlotDefn slotDefn = parent.getDefn( ).getSlot( slotId );
		if ( slotDefn != null )
		{
			list.addAll( slotDefn.getContentExtendedElements( ) );
			list.removeAll( notSupportList );
		}
		
		List availableList = new ArrayList( );
		for ( int i = 0; i < list.size( ); i++ )
		{
			if ( parent.canContain( slotId, ( (IElementDefn) list.get( i ) )
					.getName( ) ) )
			{
				availableList.add( list.get( i ) );
			}
		}
		return availableList;
	}
	/**
	 * Get the containable element type list of give slot handle
	 * 
	 * @param slotHandle
	 */
	public static List getElementSupportList( SlotHandle slotHandle )
	{
		return getElementSupportList( slotHandle.getElementHandle( ),
				slotHandle.getSlotID( ) );
	}
	/**