Bug 153378 [Regression]Label text won't show up when the text key is not found
Steps to reproduce: 1.Add a label, set text to "aaa" 2.Add a resource file "a" to the report, add a text key "k1" which is not in the a.properties to the label 3.Preview in Web Viewer Expected result: Label display "aaa" when the text key is not found Actual result: Nothing in preview
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/util/DocumentUtil.java
target.setProperty( Module.LIBRARIES_PROP, null );
		target.handle( ).serialize( out );
	}
	/**
	 * Gets a localized report design based on the source design.
	 * 
	 * @param source
	 *            the source design
	 * @return the localized report design based on the source design
	 */
	static ReportDesign localizeDesign( ReportDesign source )
	{
		if ( source == null )
			return null;
		
		ReportDesign target = null;
		target = (ReportDesign) ModelUtil.getCopy( source );
		IElementDefn defn = target.getDefn( );
		for ( int i = 0; i < defn.getSlotCount( ); i++ )
		{
			switch ( i )
			{
				
				
				
				case IReportDesignModel.STYLE_SLOT :
				case IModuleModel.DATA_SOURCE_SLOT :
					break;
				case IModuleModel.PARAMETER_SLOT :
				case IModuleModel.DATA_SET_SLOT :