Bug 150601 Drillthrough link from pdf(frameset) should link to frameset servlet instead of run.
Description: Drillthrough link from pdf(frameset) should link to frameset servlet instead of run. Steps to reproduce: 1. New a report 2. Insert a label and define a drill through link to other report 3. Preview in Web viewer, click Print as PDF button in viewer toolbar 4. Click drill through link in pdf Expected result: Target report opens through frameset sevlet instead of run servlet. Because the pdf is displayed through frameset servlet. Actual result: Target report opened through run sevlet
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ReportEngineService.java
{
			runAndRenderTask.setParameterValues( parameters );
		}
		runAndRenderTask.setRenderOption( option );
		HashMap context = new HashMap( );
		
		
		Boolean isDesigner = Boolean.valueOf( ParameterAccessor
				.isDesigner( request ) );
		context.put( "org.eclipse.birt.data.engine.dataset.cache.option", 
				isDesigner );
		context.put( EngineConstants.APPCONTEXT_BIRT_VIEWER_HTTPSERVET_REQUEST,
				request );
		context.put( EngineConstants.APPCONTEXT_CLASSLOADER_KEY,
				ReportEngineService.class.getClassLoader( ) );
		if ( ParameterAccessor.PARAM_FORMAT_PDF.equalsIgnoreCase( format ) )
		{
			context.put( EngineConstants.APPCONTEXT_PDF_RENDER_CONTEXT,
					createPDFrenderContext( ) );
		}
		else if ( htmlRenderContext != null )
		{
			context.put( EngineConstants.APPCONTEXT_HTML_RENDER_CONTEXT,
					htmlRenderContext );
		}
		else
		{
			context
					.put( EngineConstants.APPCONTEXT_HTML_RENDER_CONTEXT,
							createHTMLrenderContext( svgFlag, request