fix(server): should save end date of subscription in db (#12814)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Bug Fixes**
- Subscription end dates are now correctly saved and updated for Stripe
subscriptions, ensuring accurate display and management of subscription
periods.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/backend/server/src/plugins/payment/manager/selfhost.ts

@@ -158,6 +158,7 @@ export class SelfhostTeamSubscriptionManager extends SubscriptionManager {
           'stripeScheduleId',
           'nextBillAt',
           'canceledAt',
+          'end',
         ]),
       });
     }

packages/backend/server/src/plugins/payment/manager/user.ts

@@ -243,6 +243,7 @@ export class UserSubscriptionManager extends SubscriptionManager {
         'stripeScheduleId',
         'nextBillAt',
         'canceledAt',
+        'end',
       ]),
       create: {
         targetId: userId,

packages/backend/server/src/plugins/payment/manager/workspace.ts

@@ -166,6 +166,7 @@ export class WorkspaceSubscriptionManager extends SubscriptionManager {
           'nextBillAt',
           'canceledAt',
           'quantity',
+          'end',
         ]),
       },
       create: {