fix(ad): add optional adId property to CachedAd interface for improved ad data handling

apps/box-app-api/src/feature/ads/ad.service.ts

@@ -29,6 +29,7 @@ import { nowEpochMsBigInt, nowSecBigInt } from '@box/common/time/time.util';
 // We only care about a subset for now.
 interface CachedAd {
   id: string;
+  adId?: number;
   adType: string;
   advertiser?: string;
   title?: string;