fix(headlines-search): filter only active topics and sources in search

- Add 'status': ContentStatus.active.name filter to topic and source repository calls
- Update both readAll method calls for topics and sources
- Improve search relevance by excluding inactive content

Author: fulleni

lib/headlines-search/bloc/headlines_search_bloc.dart

@@ -161,7 +161,7 @@ class HeadlinesSearchBloc
               );
             case ContentType.topic:
               response = await _topicRepository.readAll(
-                filter: {'q': searchTerm},
+                filter: {'q': searchTerm, 'status': ContentStatus.active.name},
                 pagination: PaginationOptions(
                   limit: _limit,
                   cursor: successState.cursor,
@@ -178,7 +178,7 @@ class HeadlinesSearchBloc
               );
             case ContentType.source:
               response = await _sourceRepository.readAll(
-                filter: {'q': searchTerm},
+                filter: {'q': searchTerm, 'status': ContentStatus.active.name},
                 pagination: PaginationOptions(
                   limit: _limit,
                   cursor: successState.cursor,
@@ -266,14 +266,14 @@ class HeadlinesSearchBloc
           );
         case ContentType.topic:
           rawResponse = await _topicRepository.readAll(
-            filter: {'q': searchTerm},
+            filter: {'q': searchTerm, 'status': ContentStatus.active.name},
             pagination: const PaginationOptions(limit: _limit),
             sort: [const SortOption('name', SortOrder.asc)],
           );
           processedItems = rawResponse.items.cast<FeedItem>();
         case ContentType.source:
           rawResponse = await _sourceRepository.readAll(
-            filter: {'q': searchTerm},
+            filter: {'q': searchTerm, 'status': ContentStatus.active.name},
             pagination: const PaginationOptions(limit: _limit),
             sort: [const SortOption('name', SortOrder.asc)],
           );