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
.findDataSet( value );
		}
		return dataSet;
	}
	private String[] getDataSetColumns( )
	{
		if ( dataSet == null )
		{
			return new String[0];
		}
		DataSetItemModel[] models = DataSetManager.getCurrentInstance( )
				.getColumns( dataSet, true );
		if ( models == null )
		{
			return new String[0];
		}
		String[] values = new String[models.length];
		for ( int i = 0; i < models.length; i++ )
		{
			values[i] = models[i].getDisplayName( );
		}
		return values;
	}
	private void setCellEditorItems( )
	{
		( (ComboBoxCellEditor) cellEditors[1] ).setItems( getDataSetColumns( ) );
		( (ComboBoxCellEditor) cellEditors[2] ).setItems( getDataSetColumns( ) );
	}
	private IStructuredContentProvider contentProvider = new IStructuredContentProvider( ) {
		public Object[] getElements( Object inputElement )