Bug 160193 Parameter name is changed with data type
Steps to reproduce: 1.New a sample data source 2.New a data set with below query: select * from CLASSICMODELS.CUSTOMERS where CLASSICMODELS.CUSTOMERS.CUSTOMERNUMBER = ? 3.Switch to parameters in data set editor, a parameter is created automatically 4.Double click the parameter, click "..." button behind the "Linked to report parameter", note the default name of report parameter is "param1". Click "cancel" to destory "new parameter dialog" 5.Change data set paramter type to Any, and click "..." again Expected result: Default name of report parameter is "param1" Actual result: Default name of report parameter is changed to "NewParameter1"
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/SessionHandle.java
* @return handle to the report design
	 * @throws DesignFileException
	 *             If the file is not found, or the file contains fatal errors.
	 */
	public ReportDesignHandle openDesign( URL systemId, InputStream is )
			throws DesignFileException
	{
		return session.openDesign( systemId, is ).handle( );
	}
	/**
	 * Opens a design given a stream to the design and the the file name of the
	 * design. *
	 * 
	 * @param systemId
	 *            the uri where to find the relative sources for the report.
	 *            This url is treated as an absolute directory.
	 * @param is
	 *            the input stream to read the design
	 * @param options
	 *            the options set for this module
	 * 
	 * @return handle to the report design
	 * @throws DesignFileException
	 *             If the file is not found, or the file contains fatal errors.
	 */
	public ReportDesignHandle openDesign( URL systemId, InputStream is,
			ModuleOption options ) throws DesignFileException
	{
		return session.openDesign( systemId, is, options ).handle( );
	}