Bug 148525 Display text is not found from library resource file
Steps to reproduce: 1.New a library, add a resource file "a.properties" 2.Add a label with text"abc", add a localization "k1=actuate" 3.New a report, extend the label 4.Preview the report Expected result: Report shows "actuate" in preview Actual result: Report shows "actuate" in layout, but "abc" in preview
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/StructureHandle.java
* 
	 * @param element
	 *            handle to the report element.
	 * @param ref
	 *            reference to the structure
	 */
	public StructureHandle( DesignElementHandle element, MemberRef ref )
	{
		super( element );
		structRef = new CachedMemberRef( ref );
		if ( !structRef.checkOrCacheStructure( getModule( ), getElement( ) ) )
			throw new RuntimeException(
					"The structure is floating, and its handle is invalid!" ); 
	}
	/**
	 * Constructs a handle for a structure within a list property or a structure
	 * member.
	 * 
	 * @param valueHandle
	 *            handle to a list property or member
	 * @param index
	 *            index of the structure within the list
	 */
	public StructureHandle( SimpleValueHandle valueHandle, int index )
	{
		super( valueHandle.getElementHandle( ) );
		structRef = new CachedMemberRef( new CachedMemberRef( valueHandle
				.getReference( ), index ) );
		if ( !structRef.checkOrCacheStructure( getModule( ), getElement( ) ) )
			throw new RuntimeException(