feat: send emails async via messenger

config/packages/messenger.yaml

@@ -16,7 +16,7 @@ framework:
             sync: 'sync://'
 
         routing:
-            Symfony\Component\Mailer\Messenger\SendEmailMessage: sync
+            Symfony\Component\Mailer\Messenger\SendEmailMessage: async
             Symfony\Component\Notifier\Message\ChatMessage: async
             Symfony\Component\Notifier\Message\SmsMessage: async
 

src/Email/Mailer.php

@@ -8,6 +8,7 @@ use Symfony\Bridge\Twig\Mime\TemplatedEmail;
 use Symfony\Component\Mailer\Exception\TransportExceptionInterface;
 use Symfony\Component\Mailer\MailerInterface;
 use Symfony\Component\Mime\Address;
+use Symfony\Component\Mime\BodyRendererInterface;
 use Symfony\Component\OptionsResolver\OptionsResolver;
 use Symfony\Contracts\Translation\TranslatorInterface;
 
@@ -15,6 +16,7 @@ class Mailer
 {
     public function __construct(
         private readonly MailerInterface $mailer,
+        private readonly BodyRendererInterface $bodyRenderer,
         private readonly TranslatorInterface $translator,
         private readonly array $defaults,
         private readonly LoggerInterface $logger
@@ -48,6 +50,8 @@ class Mailer
             $email->attach($attachment->getContent(), $attachment->getName(), $attachment->getMimeType());
         }
 
+        $this->bodyRenderer->render($email);
+
         return $email;
     }