fix: id for privileges in tariff

internal/repository/tariff/tariff.go

@@ -160,18 +160,21 @@ func (t *Tariff) Update(ctx context.Context, tariffID primitive.ObjectID, req mo
 	for i, privilege := range req.Privileges {
 		origPrivilege := privilegeMap[privilege.PrivilegeID]
 		clean[i] = models.Privilege{
+      ID:          origPrivilege.ID,
 			Name:        origPrivilege.Name,
 			PrivilegeID: origPrivilege.PrivilegeID,
 			ServiceKey:  origPrivilege.ServiceKey,
 			Description: origPrivilege.Description,
 			Type:        origPrivilege.Type,
 			Value:       origPrivilege.Value,
+      Amount:      privilege.Amount,
 			Price:       origPrivilege.Price,
 		}
 	}
 
 	update := bson.M{
 		"$set": bson.M{
+      "description": req.Description,
 			"order":      req.Order,
 			"name":       req.Name,
 			"price":      req.Price,