Bug 211710 [Regression] Data of cascading parameters in the report extended from the library can not be selected from the drop-down list when preview [01]
Description: Data of cascading parameters in the report extended from the library can not be selected from the drop-down list when preview. Build number: 2.2.2.v20071203-0630 Steps to reproduce: 1. New a Library with cascading parameters. 2. New a report and extend the cascading parameters from the library and preview. Expected result: Values can be selected from the drop-down list. Actual result: Values can not be selected from the drop-down list. Error log: N/A
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/GetParameterDefinitionTask.java
parameterDefns = new ArrayList( );
		while ( iter.hasNext( ) )
		{
			ParameterDefnBase pBase = (ParameterDefnBase) iter.next( );
			try
			{
				parameterDefns.add( pBase.clone( ) );
			}
			catch ( CloneNotSupportedException e ) 
			
			{
				log.log( Level.SEVERE, e.getMessage( ), e );
			}
		}
		if ( parameterDefns != null )
		{
			iter = parameterDefns.iterator( );
			while ( iter.hasNext( ) )
			{
				IParameterDefnBase pBase = (IParameterDefnBase) iter.next( );
				if ( pBase instanceof ScalarParameterDefn )
				{
					( (ScalarParameterDefn) pBase )
							.setReportDesign( (ReportDesignHandle) runnable
									.getDesignHandle( ) );
					( (ScalarParameterDefn) pBase ).setLocale( locale );
					( (ScalarParameterDefn) pBase ).evaluateSelectionList( );
				}
				else if ( pBase instanceof ParameterGroupDefn )