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
}
	/**
	 * Sets the value of a property from a generic object. The value can be any
	 * of the supported types: String, Double, Integer, BigDecimal or one of the
	 * specialized property types. The type of object allowed depends on the
	 * type of the property.
	 * 
	 * @param propName
	 *            the property name
	 * @param value
	 *            the value to set
	 * @throws SemanticException
	 *             if the property is undefined on the element or the value is
	 *             invalid.
	 */
	public void setProperty( String propName, Object value )
			throws SemanticException
	{
		
		DesignElement element = getElement( );
		PropertyCommand cmd = new PropertyCommand( module, element );
		cmd.setProperty( propName, value );
	}
	/**
	 * Sets the value of a property to an integer.
	 * 
	 * @param propName
	 *            the property name
	 * @param value
	 *            the value to set