Bug 146159 [Regression]Changing font operation doesn't work other than the first time
Description: The first time changing operation can work well. However, Change it again, it won't work. Steps: 1.Insert lable/text to layout or master page 2.Change the font from serif to cursive, it works well 3.Change the font again Result: The action doesn't work Additional infor: build number:200606080632
UI/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/util/DEUtil.java
public static List getDataSetListExcludeSelf( DesignElementHandle handle )
	{
		List dataSetList = new ArrayList( );
		if ( handle instanceof ReportElementHandle )
		{
			for ( Iterator itor = getDataSetList( handle.getContainer( ) )
					.iterator( ); itor.hasNext( ); )
			{
				DesignElementHandle dataSet = (DesignElementHandle) itor.next( );
				if ( !dataSetList.contains( dataSet ) )
				{
					dataSetList.add( dataSet );
				}
			}
		}
		return dataSetList;
	}
	/**
	 * Get definition of model property.
	 * 
	 * @param elementName
	 * @param propertyName
	 */
	public static IElementPropertyDefn getPropertyDefn( String elementName,
			String propertyName )
	{
		IElementDefn elementDefn = DesignEngine.getMetaDataDictionary( )
				.getElement( elementName );
		if ( elementDefn != null )
		{