Merge branch 'w2p-67478_Search-external-sources-in-submission' into w2p-67611_Convert-external-source-to-entity

src/app/core/data/lookup-relation.service.ts

@@ -63,7 +63,7 @@ export class LookupRelationService {
           concat(subject.pipe(take(1)))
         )
       ) as any
-    )
+    ) as Observable<RemoteData<PaginatedList<SearchResult<Item>>>>;
   }
 
   /**