Bug 142928 Item from library is changed to a report design item after revert to report item
Details: Item from library is changed to a report design item after revert to report item. Setp: 1.New a template. 2.Use a libary contain a label. 3.Drop the label from library explorer into layout. 4.Change the label to template item. 5.Revert the template item to report item. Actual result: The label is become a report item, but a item from library. Please see the attach image. Exception result: The lable is revert a item from library.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DesignElementHandle.java
* Returns the value of a property as a Boolean.
	 * 
	 * @param propName
	 *            the name of the property
	 * @return the value as a boolean
	 */
	public boolean getBooleanProperty( String propName )
	{
		return getElement( ).getBooleanProperty( module, propName );
	}
	/**
	 * Returns the value of a property as an integer.
	 * 
	 * @param propName
	 *            the name of the property.
	 * @return the value as an integer. Return 0 if the value cannot be
	 *         converted to an integer.
	 */
	public int getIntProperty( String propName )
	{
		return getElement( ).getIntProperty( module, propName );
	}
	/**
	 * Returns the value of a property as a double.
	 * 
	 * @param propName
	 *            the name of the property.
	 * @return the value as a double. Returns <code>null</code> if the value
	 *         cannot be converted to a double.
	 */