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.ui/src/org/eclipse/birt/report/designer/ui/dialogs/CascadingParametersDialog.java
{
			ArrayList list = ( (ArrayList) inputElement );
			ArrayList elementsList = (ArrayList) list.clone( );
			if ( newParameter == null )
			{
				
				
				newParameter = DesignElementFactory.getInstance( )
						.newScalarParameter( null ); 
				try
				{
					newParameter.setControlType( DesignChoiceConstants.PARAM_CONTROL_LIST_BOX );
				}
				catch ( SemanticException e )
				{
					ExceptionHandler.handle( e );
				}
			}
			elementsList.add( newParameter );
			return elementsList.toArray( );
		}
		public void dispose( )
		{
		}
		public void inputChanged( Viewer viewer, Object oldInput,
				Object newInput )
		{
		}
	};
	private ITableLabelProvider labelProvider = new ITableLabelProvider( ) {