Bug 153541 Format doesn't work in dynamic report parameter
Description: Format doesn't work in dynamic report parameter Steps to reproduce: 1. New a dynamic report parameter. 2. Click Change button, set format for it. 3. Preview Expected result: Display text in parameter dialog display format effects. Actual result: Format doesn't work at all.
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/actionhandler/BirtGetCascadeParameterActionHandler.java
{
			Oprand param = params[i];
			String paramName = param.getName( );
			
			
			ScalarParameterHandle parameterHandle = (ScalarParameterHandle) attrBean
					.findParameter( paramName );
			if ( parameterHandle == null )
				continue;
			
			Object paramValue = ParameterValidationUtil.validate(
					parameterHandle.getDataType( ),
					ParameterValidationUtil.DEFAULT_DATETIME_FORMAT, param
							.getValue( ) );
			paramMap.put( paramName, paramValue );
		}
		cascParamMap = getParameterSelectionLists( designHandle, paramMap,
				options, attrBean );
		/**
		 * prepare response.
		 */
		CascadeParameter cascadeParameter = new CascadeParameter( );
		if ( cascParamMap != null && cascParamMap.size( ) > 0 )
		{
			SelectionList[] selectionLists = new SelectionList[cascParamMap
					.size( )];
			int i = 0;
			for ( Iterator it = cascParamMap.keySet( ).iterator( ); it
					.hasNext( ); )
			{