swith to bang composite key

app/lib/features/bangs/presentation/screens/categories.dart

@@ -22,6 +22,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_hooks/flutter_hooks.dart';
 import 'package:hooks_riverpod/hooks_riverpod.dart';
 import 'package:weblibre/core/routing/routes.dart';
+import 'package:weblibre/features/bangs/data/models/bang_key.dart';
 import 'package:weblibre/features/bangs/domain/providers/bangs.dart';
 import 'package:weblibre/features/geckoview/features/browser/domain/providers.dart';
 import 'package:weblibre/presentation/widgets/failure_widget.dart';
@@ -38,7 +39,7 @@ class BangCategoriesScreen extends HookConsumerWidget {
         actions: [
           IconButton(
             onPressed: () async {
-              final trigger = await const BangSearchRoute().push<String?>(
+              final trigger = await const BangSearchRoute().push<BangKey?>(
                 context,
               );
 

app/lib/features/bangs/presentation/screens/list.dart

@@ -60,7 +60,7 @@ class BangListScreen extends HookConsumerWidget {
                     onTap: () {
                       ref
                           .read(selectedBangTriggerProvider().notifier)
-                          .setTrigger(bang.trigger);
+                          .setTrigger(bang.toKey());
 
                       final settings = ref.read(
                         generalSettingsWithDefaultsProvider,

app/lib/features/bangs/presentation/screens/search.dart

@@ -90,7 +90,7 @@ class BangSearchScreen extends HookConsumerWidget {
                 return BangDetails(
                   bang,
                   onTap: () {
-                    context.pop(bang.trigger);
+                    context.pop(bang.toKey());
                   },
                 );
               },

app/lib/features/bangs/presentation/widgets/site_search.dart

@@ -148,7 +148,7 @@ class SiteSearch extends HookConsumerWidget {
 
                 ref
                     .read(selectedBangTriggerProvider(domain: domain).notifier)
-                    .setTrigger(bang.trigger);
+                    .setTrigger(bang.toKey());
               },
               onDeleted: (bang) {
                 if (ref.read(selectedBangTriggerProvider(domain: domain)) ==