feat: add default search tab preference

lib/models/settings.dart

@@ -35,6 +35,7 @@ class AppSettings {
   final bool useExtensionProviders;
   final List<String>? downloadFallbackExtensionIds;
   final String? searchProvider;
+  final String defaultSearchTab;
   final String? homeFeedProvider;
   final bool separateSingles;
   final String singleFilenameFormat;
@@ -111,6 +112,7 @@ class AppSettings {
     this.useExtensionProviders = true,
     this.downloadFallbackExtensionIds,
     this.searchProvider,
+    this.defaultSearchTab = 'all',
     this.homeFeedProvider,
     this.separateSingles = false,
     this.singleFilenameFormat = '{title} - {artist}',
@@ -176,6 +178,7 @@ class AppSettings {
     bool clearDownloadFallbackExtensionIds = false,
     String? searchProvider,
     bool clearSearchProvider = false,
+    String? defaultSearchTab,
     String? homeFeedProvider,
     bool clearHomeFeedProvider = false,
     bool? separateSingles,
@@ -242,6 +245,7 @@ class AppSettings {
       searchProvider: clearSearchProvider
           ? null
           : (searchProvider ?? this.searchProvider),
+      defaultSearchTab: defaultSearchTab ?? this.defaultSearchTab,
       homeFeedProvider: clearHomeFeedProvider
           ? null
           : (homeFeedProvider ?? this.homeFeedProvider),

lib/models/settings.g.dart

@@ -40,6 +40,7 @@ AppSettings _$AppSettingsFromJson(Map<String, dynamic> json) => AppSettings(
           ?.map((e) => e as String)
           .toList(),
   searchProvider: json['searchProvider'] as String?,
+  defaultSearchTab: json['defaultSearchTab'] as String? ?? 'all',
   homeFeedProvider: json['homeFeedProvider'] as String?,
   separateSingles: json['separateSingles'] as bool? ?? false,
   singleFilenameFormat:
@@ -111,6 +112,7 @@ Map<String, dynamic> _$AppSettingsToJson(
   'useExtensionProviders': instance.useExtensionProviders,
   'downloadFallbackExtensionIds': instance.downloadFallbackExtensionIds,
   'searchProvider': instance.searchProvider,
+  'defaultSearchTab': instance.defaultSearchTab,
   'homeFeedProvider': instance.homeFeedProvider,
   'separateSingles': instance.separateSingles,
   'singleFilenameFormat': instance.singleFilenameFormat,