fix(i18n): 印尼语内容缺失时不再回退中文

lib/pages/discover/widgets/discover_search_results.dart

@@ -4,6 +4,7 @@ import 'package:flutter/material.dart';
 
 import '../../../core/data/models/drama.dart';
 import '../../../core/formatting/error_text.dart';
+import '../../../core/formatting/content_locale_guard.dart';
 import '../../../core/theme/app_colors.dart';
 import '../../../core/widgets/empty_state.dart';
 import '../../../l10n/app_localizations.dart';
@@ -33,10 +34,18 @@ class DiscoverSearchResults extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final l10n = AppLocalizations.of(context)!;
-    if (!loading && error == null && results.isNotEmpty) {
+    final visibleResults = visibleDramasForLocale(
+      results,
+      Localizations.localeOf(context).languageCode,
+    );
+    if (!loading && error == null && visibleResults.isNotEmpty) {
       return SliverPadding(
         padding: _topPadding,
-        sliver: SliverDramaGrid(l10n: l10n, dramas: results, onOpen: onOpen),
+        sliver: SliverDramaGrid(
+          l10n: l10n,
+          dramas: visibleResults,
+          onOpen: onOpen,
+        ),
       );
     }
     return SliverPadding(