rolls back deprecated function update to support 10.1

src/Service/ResponseExportService.php

@@ -11,7 +11,6 @@ use Symfony\Component\DependencyInjection\ContainerInterface;
 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
 use Drupal\Component\Datetime\TimeInterface;
 use Drupal\Core\Messenger\Messenger;
-use Drupal\Core\StringTranslation\ByteSizeMarkup;
 use Drupal\Core\Url;
 use Drupal\simple_survey\Entity\SimpleSurvey;
 use Drupal\simple_survey\Entity\SurveyAnswer;
@@ -402,7 +401,7 @@ class ResponseExportService implements ContainerInjectionInterface {
       '@max' => $max,
       '@total' => $context['sandbox']['max'],
       '@filename' => $filename,
-      '@fileSize' => ByteSizeMarkup::create($file->getSize()),
+      '@fileSize' => format_size($file->getSize()),
     ]);
 
     foreach ($responses as $response) {
@@ -489,7 +488,7 @@ class ResponseExportService implements ContainerInjectionInterface {
       '@max' => $max,
       '@total' => $context['sandbox']['max'],
       '@filename' => $filename,
-      '@fileSize' => ByteSizeMarkup::create($file->getSize()),
+      '@fileSize' => format_size($file->getSize()),
     ]);
 
     if ($context['sandbox']['progress'] != $context['sandbox']['max']) {