chore: Reenable archive feature after various fixes landed in sdk

lib/pages/chat/events/message_download_content.dart

@@ -1,10 +1,12 @@
+import 'package:flutter/material.dart';
+
+import 'package:flutter_linkify/flutter_linkify.dart';
+import 'package:matrix/matrix.dart';
+
 import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/utils/file_description.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/event_extension.dart';
 import 'package:fluffychat/utils/url_launcher.dart';
-import 'package:flutter/material.dart';
-import 'package:flutter_linkify/flutter_linkify.dart';
-import 'package:matrix/matrix.dart';
 
 class MessageDownloadContent extends StatelessWidget {
   final Event event;

lib/pages/chat_list/client_chooser_button.dart

@@ -56,18 +56,16 @@ class ClientChooserButton extends StatelessWidget {
           ],
         ),
       ),
-      // Currently disabled because of:
+      PopupMenuItem(
-      // https://github.com/matrix-org/matrix-react-sdk/pull/12286
-      /*PopupMenuItem(
         value: SettingsAction.archive,
         child: Row(
           children: [
             const Icon(Icons.archive_outlined),
             const SizedBox(width: 18),
-            Text(L10n.of(context)!.archive),
+            Text(L10n.of(context).archive),
           ],
         ),
-      ),*/
+      ),
       PopupMenuItem(
         value: SettingsAction.settings,
         child: Row(