fix: prevent an offline asset from being used as a person feature photo (#21278)

server/src/services/person.service.ts

@@ -197,6 +197,10 @@ export class PersonService extends BaseService {
         throw new BadRequestException('Invalid assetId for feature face');
       }
 
+      if (face.asset.isOffline) {
+        throw new BadRequestException('An offline asset cannot be used for feature face');
+      }
+
       faceId = face.id;
     }