fix(private-room): preserve payment return route

src/app/subscription/subscription-screen.tsx

@@ -6,6 +6,7 @@ import { Checkbox, MobileShell } from "@/app/_components/core";
 import { usePaymentPlanAnalytics } from "@/app/_hooks/use-payment-plan-analytics";
 import { AppConstants } from "@/core/app_constants";
 import type { PayChannel } from "@/data/dto/payment";
+import type { SubscriptionReturnTo } from "@/lib/navigation/subscription_exit";
 import {
   behaviorAnalytics,
   getDefaultPaymentAnalyticsContext,
@@ -38,7 +39,7 @@ export type { SubscriptionType } from "./subscription-screen.helpers";
 export interface SubscriptionScreenProps {
   subscriptionType?: SubscriptionType;
   shouldResumePendingOrder?: boolean;
-  returnTo?: "chat" | null;
+  returnTo?: SubscriptionReturnTo;
   initialPayChannel?: PayChannel | null;
   analyticsContext?: PaymentAnalyticsContext;
 }