chore: apply sync messenger in dev environment

config/packages/messenger.yaml

@@ -22,3 +22,11 @@ framework:
 
             # Route your messages to the transports
             # 'App\Message\YourMessage': async
+
+when@dev:
+    framework:
+        messenger:
+            routing:
+                Symfony\Component\Mailer\Messenger\SendEmailMessage: sync
+                Symfony\Component\Notifier\Message\ChatMessage: sync
+                Symfony\Component\Notifier\Message\SmsMessage: sync