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/core/DesignSession.java
* @see org.eclipse.birt.report.model.api.metadata.DimensionValue
	 */
	public String getUnits( )
	{
		return units;
	}
	/**
	 * Sets the application units. The optional input value is defined in
	 * <code>DesignChoiceConstants</code> and can be one of:
	 * 
	 * <ul>
	 * <li><code>UNITS_IN</code></li>
	 * <li><code>UNITS_CM</code></li>
	 * <li><code>UNITS_MM</code></li>
	 * <li><code>UNITS_PT</code></li>
	 * <li><code>UNITS_PC</code></li>
	 * </ul>
	 * 
	 * @param newUnits
	 *            the new application units to set
	 * 
	 * @throws PropertyValueException
	 *             if the unit are not one of the above.
	 * 
	 * @see org.eclipse.birt.report.model.api.metadata.DimensionValue
	 * 
	 */
	public void setUnits( String newUnits ) throws PropertyValueException
	{
		if ( DesignChoiceConstants.UNITS_CM.equalsIgnoreCase( newUnits )