update: fix

src/modules/notifications/services/notifications.service.ts

@@ -33,6 +33,7 @@ export class NotificationsService {
     const em = this.em.fork();
 
     try {
+      await em.begin();
       const user = await em.findOne(User, { id: createNotificationDto.recipientId });
       if (!user) throw new NotFoundException(UserMessage.USER_NOT_FOUND);
       const notification = em.create(Notification, {
@@ -41,7 +42,6 @@ export class NotificationsService {
       });
       await em.persistAndFlush(notification);
 
-      // Send push notification to all user devices if user has push tokens
       if (user.pushTokens && user.pushTokens.length > 0) {
         await this.sendPushNotificationToUserDevices(user.id, user.pushTokens, {
           title: createNotificationDto.title,