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
else if ( COLUMN_DISPLAY_TEXT.equals( property ) )
				{
					value = getColumnName( parameter.getLabelExpr( ) );
				}
				if ( value == null )
				{
					value = ""; 
				}
				return value;
			}
			return ""; 
		}
		public void modify( Object element, String property, Object value )
		{
			Object actualElement = ( (TableItem) element ).getData( );
			if ( COLUMN_NAME.equals( property ) )
			{
				try
				{
					if ( actualElement == newParameter )
					{
						( (ScalarParameterHandle) actualElement ).setName( newParameter.getName( ) );
					}
					else
					{
						( (ScalarParameterHandle) actualElement ).setName( (String) value );
					}
				}
				catch ( NameException e )
				{