chore: Add unthreadCustomerId to TeamResponse (#6837)

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## PR-Codex overview
This PR focuses on adding a new property, `unthreadCustomerId`, to the `TeamResponse` structure across various files, enhancing the data model for teams in the application.

### Detailed summary
- Added `unthreadCustomerId: null` to the `TeamResponse` in `apps/dashboard/src/stories/stubs.ts`.
- Updated `validTeamAndProjectResponse` to include `unthreadCustomerId` in `packages/service-utils/src/mocks.ts`.
- Defined `unthreadCustomerId: string | null` in the `TeamResponse` interface in `packages/service-utils/src/core/api.ts`.

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Author: arcoraven

.changeset/itchy-carrots-greet.md

@@ -0,0 +1,5 @@
+---
+"@thirdweb-dev/service-utils": patch
+---
+
+chore: Add unthreadCustomerId to TeamResponse

apps/dashboard/src/stories/stubs.ts

@@ -96,6 +96,7 @@ export function teamStub(id: string, billingPlan: Team["billingPlan"]): Team {
       },
     },
     planCancellationDate: null,
+    unthreadCustomerId: null,
   };
 
   return team;

packages/service-utils/src/core/api.ts

@@ -123,6 +123,7 @@ export type TeamResponse = {
   enabledScopes: ServiceName[];
   isOnboarded: boolean;
   capabilities: TeamCapabilities;
+  unthreadCustomerId: string | null;
   planCancellationDate: string | null;
 };
 

packages/service-utils/src/mocks.ts

@@ -99,6 +99,7 @@ export const validTeamResponse: TeamResponse = {
     },
   },
   planCancellationDate: null,
+  unthreadCustomerId: null,
 };
 
 export const validTeamAndProjectResponse: TeamAndProjectResponse = {