change lockk icon based on locked status

lib/pages/chat_details/chat_details_view.dart

@@ -1,10 +1,3 @@
-import 'package:flutter/material.dart';
-
-import 'package:flutter_gen/gen_l10n/l10n.dart';
-import 'package:future_loading_dialog/future_loading_dialog.dart';
-import 'package:go_router/go_router.dart';
-import 'package:matrix/matrix.dart';
-
 import 'package:fluffychat/config/app_config.dart';
 import 'package:fluffychat/pages/chat_details/chat_details.dart';
 import 'package:fluffychat/pages/chat_details/participant_list_item.dart';
@@ -26,6 +19,11 @@ import 'package:fluffychat/widgets/avatar.dart';
 import 'package:fluffychat/widgets/chat_settings_popup_menu.dart';
 import 'package:fluffychat/widgets/layouts/max_width_body.dart';
 import 'package:fluffychat/widgets/matrix.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_gen/gen_l10n/l10n.dart';
+import 'package:future_loading_dialog/future_loading_dialog.dart';
+import 'package:go_router/go_router.dart';
+import 'package:matrix/matrix.dart';
 
 class ChatDetailsView extends StatelessWidget {
   final ChatDetailsController controller;
@@ -546,8 +544,10 @@ class ChatDetailsView extends StatelessWidget {
                               backgroundColor:
                                   Theme.of(context).scaffoldBackgroundColor,
                               foregroundColor: iconColor,
-                              child: const Icon(
-                                Icons.lock_outlined,
+                              child: Icon(
+                                room.locked
+                                    ? Icons.lock_outlined
+                                    : Icons.no_encryption_outlined,
                               ),
                             ),
                             value: room.locked,