fix: add domain and force HTTPS env vars to mail worker

The worker uses the env vars so we need to include it in the compose file to ensure the variable passes into the container.

app/views/install/compose.phtml

@@ -531,6 +531,8 @@ $image = $this->getParam('image', '');
       - _APP_SMTP_USERNAME
       - _APP_SMTP_PASSWORD
       - _APP_LOGGING_CONFIG
+      - _APP_DOMAIN
+      - _APP_OPTIONS_FORCE_HTTPS
 
   appwrite-worker-messaging:
     image: <?php echo $organization; ?>/<?php echo $image; ?>:<?php echo $version."\n"; ?>