fix engine settings hash and serialization

app/lib/features/user/data/models/engine_settings.dart

@@ -200,6 +200,18 @@ class EngineSettings extends GeckoEngineSettings with FastEquatable {
 
   @override
   List<Object?> get hashParameters => [
+    javascriptEnabled,
+    trackingProtectionPolicy,
+    httpsOnlyMode,
+    globalPrivacyControlEnabled,
+    preferredColorScheme,
+    cookieBannerHandlingMode,
+    cookieBannerHandlingModePrivateBrowsing,
+    cookieBannerHandlingGlobalRules,
+    cookieBannerHandlingGlobalRulesSubFrames,
+    webContentIsolationStrategy,
+    userAgent,
+    enterpriseRootsEnabled,
     queryParameterStripping,
     bounceTrackingProtectionMode,
     addonCollection,

app/lib/features/user/domain/repositories/engine_settings.dart

@@ -18,8 +18,10 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 import 'dart:async';
+import 'dart:convert';
 
 import 'package:drift/drift.dart';
+import 'package:nullability/nullability.dart';
 import 'package:riverpod/riverpod.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:weblibre/features/user/data/models/engine_settings.dart';
@@ -110,10 +112,9 @@ class EngineSettingsRepository extends _$EngineSettingsRepository {
         DriftSqlType.string,
         db.typeMapping,
       ),
-      'dohExceptionsList': settings['dohExceptionsList']?.readAs(
-        DriftSqlType.string,
-        db.typeMapping,
-      ),
+      'dohExceptionsList': settings['dohExceptionsList']
+          ?.readAs(DriftSqlType.string, db.typeMapping)
+          .mapNotNull(jsonDecode),
       'fingerprintingProtectionOverrides':
           settings['fingerprintingProtectionOverrides']?.readAs(
             DriftSqlType.string,