Bug 153233 Extended data source is localized after creating a data set with it
Steps to reproduce: 1.New a sample data source in library 2.New a report, includes the library, extends Lib.datasource 3.New a data set with lib.datasource in report Expected result: No local properties for data source in report Actual result: All data source properties are localized
model/org.eclipse.birt.report.model.adapter.oda/src/org/eclipse/birt/report/model/adapter/oda/ModelOdaAdapter.java
{
		assert propHandle != null;
		propHandle.setValue( null );
		if ( structList == null || structList.isEmpty( ) )
			return;
		for ( int i = 0; i < structList.size( ); i++ )
			propHandle.addItem( structList.get( i ) );
	}
	/**
	 * Updates a strucutre list with the corresponding property handle.
	 * 
	 * @param propHandle
	 *            the property handle
	 * @param structList
	 *            the structure list
	 * @throws SemanticException
	 *             if any strucutre has invalid value.
	 */
	private void updateROMDataSetParamList( OdaDataSetHandle setHandle,
			List structList ) throws SemanticException
	{
		setHandle.setProperty( OdaDataSetHandle.PARAMETERS_PROP, null );
		if ( structList == null || structList.isEmpty( ) )
			return;
		PropertyHandle propHandle = setHandle
				.getPropertyHandle( OdaDataSetHandle.PARAMETERS_PROP );
		for ( int i = 0; i < structList.size( ); i++ )
			propHandle.addItem( structList.get( i ) );
	}
	/**