chore: remove unused code and fix test expectations

- Remove unused activityManager import from asset viewer components
- Remove unused function stub in activity manager
- Fix album service test expectations for emit parameters
- Clean up formatting in person repository mock
- Update trash service tests for emit event changes

server/test/repositories/person.repository.mock.ts

@@ -33,6 +33,7 @@ export const newPersonRepositoryMock = (): Mocked<RepositoryInterface<PersonRepo
     createAssetFace: vitest.fn(),
     deleteAssetFace: vitest.fn(),
     softDeleteAssetFaces: vitest.fn(),
+    getAssetPersonByFaceId: vitest.fn(),
     vacuum: vitest.fn(),
   };
 };