feat: user customer id and trialed product state (#6628)

## Explanation

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Add user customer id and trialed product in subscription controller
state

## References

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## Checklist

- [x] I've updated the test suite for new or updated code as appropriate
- [x] I've updated documentation (JSDoc, Markdown, etc.) for new or
updated code as appropriate
- [x] I've communicated my changes to consumers by [updating changelogs
for packages I've
changed](https://github.com/MetaMask/core/tree/main/docs/contributing.md#updating-changelogs),
highlighting breaking changes as necessary
- [x] I've prepared draft pull requests for clients and consumer
packages to resolve any breaking changes

Author: tuna1207

packages/subscription-controller/src/SubscriptionController.test.ts

@@ -950,7 +950,11 @@ describe('SubscriptionController', () => {
             controller.metadata,
             'anonymous',
           ),
-        ).toMatchInlineSnapshot(`Object {}`);
+        ).toMatchInlineSnapshot(`
+          Object {
+            "trialedProducts": Array [],
+          }
+        `);
       });
     });
 
@@ -965,6 +969,7 @@ describe('SubscriptionController', () => {
         ).toMatchInlineSnapshot(`
         Object {
           "subscriptions": Array [],
+          "trialedProducts": Array [],
         }
       `);
       });
@@ -981,6 +986,7 @@ describe('SubscriptionController', () => {
         ).toMatchInlineSnapshot(`
         Object {
           "subscriptions": Array [],
+          "trialedProducts": Array [],
         }
       `);
       });
@@ -997,6 +1003,7 @@ describe('SubscriptionController', () => {
         ).toMatchInlineSnapshot(`
         Object {
           "subscriptions": Array [],
+          "trialedProducts": Array [],
         }
       `);
       });

packages/subscription-controller/src/SubscriptionController.ts

@@ -30,6 +30,8 @@ import {
 } from './types';
 
 export type SubscriptionControllerState = {
+  customerId?: string;
+  trialedProducts: ProductType[];
   subscriptions: Subscription[];
   pricing?: PricingResponse;
 };
@@ -127,6 +129,7 @@ export type SubscriptionControllerOptions = {
 export function getDefaultSubscriptionControllerState(): SubscriptionControllerState {
   return {
     subscriptions: [],
+    trialedProducts: [],
   };
 }
 
@@ -145,6 +148,18 @@ const subscriptionControllerMetadata: StateMetadata<SubscriptionControllerState>
       anonymous: false,
       usedInUi: true,
     },
+    customerId: {
+      includeInStateLogs: true,
+      persist: true,
+      anonymous: false,
+      usedInUi: true,
+    },
+    trialedProducts: {
+      includeInStateLogs: true,
+      persist: true,
+      anonymous: true,
+      usedInUi: true,
+    },
     pricing: {
       includeInStateLogs: true,
       persist: true,
@@ -242,11 +257,13 @@ export class SubscriptionController extends BaseController<
   }
 
   async getSubscriptions() {
-    const { subscriptions } =
+    const { subscriptions, customerId, trialedProducts } =
       await this.#subscriptionService.getSubscriptions();
 
     this.update((state) => {
       state.subscriptions = subscriptions;
+      state.customerId = customerId;
+      state.trialedProducts = trialedProducts;
     });
 
     return subscriptions;