faster spreadsheet exporter based on opensout and other export improvements (#5238)

src/Export/Renderer/HtmlRendererFactory.php

@@ -10,6 +10,7 @@
 namespace App\Export\Renderer;
 
 use App\Activity\ActivityStatisticService;
+use App\Export\Base\HtmlRenderer;
 use App\Project\ProjectStatisticService;
 use Psr\EventDispatcher\EventDispatcherInterface;
 use Twig\Environment;
@@ -17,10 +18,10 @@ use Twig\Environment;
 final class HtmlRendererFactory
 {
     public function __construct(
-        private Environment $twig,
-        private EventDispatcherInterface $dispatcher,
-        private ProjectStatisticService $projectStatisticService,
-        private ActivityStatisticService $activityStatisticService
+        private readonly Environment $twig,
+        private readonly EventDispatcherInterface $dispatcher,
+        private readonly ProjectStatisticService $projectStatisticService,
+        private readonly ActivityStatisticService $activityStatisticService
     ) {
     }