Set application type to be correct

src/Sikofitt/Controller/ResumeControllerProvider.php

@@ -91,7 +91,9 @@ class ResumeControllerProvider implements ControllerProviderInterface
                 ResponseHeaderBag::DISPOSITION_ATTACHMENT,
                 $filename . '.pdf'
             );
+            $response->headers->set('Content-Type', 'application/pdf');
             $response->headers->set('Content-Disposition', $disposition);
+
             $response->send();
         });