feat(mobile): sqlite (#16861)

* refactor: user entity

* chore: rebase fixes

* refactor: remove int user Id

* refactor: migrate store userId from int to string

* refactor: rename uid to id

* feat: drift

* pr feedback

* refactor: move common overrides to mixin

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>

mobile/lib/infrastructure/entities/user_metadata.entity.dart

@@ -0,0 +1,21 @@
+import 'package:drift/drift.dart';
+import 'package:immich_mobile/domain/models/user_metadata.model.dart';
+import 'package:immich_mobile/infrastructure/entities/user.entity.dart';
+import 'package:immich_mobile/infrastructure/utils/drift_default.mixin.dart';
+
+class UserMetadataEntity extends Table with DriftDefaultsMixin {
+  const UserMetadataEntity();
+
+  BlobColumn get userId =>
+      blob().references(UserEntity, #id, onDelete: KeyAction.cascade)();
+  TextColumn get preferences => text().map(userPreferenceConverter)();
+
+  @override
+  Set<Column> get primaryKey => {userId};
+}
+
+final JsonTypeConverter2<UserPreferences, String, Object?>
+    userPreferenceConverter = TypeConverter.json2(
+  fromJson: (json) => UserPreferences.fromMap(json as Map<String, Object?>),
+  toJson: (pref) => pref.toMap(),
+);