fix: Missing null check and bootstrap ask

assets/l10n/intl_en.arb

@@ -903,6 +903,11 @@
     "type": "text",
     "placeholders": {}
   },
+  "dontAskAgain": "Cancel and don't ask again",
+  "@dontAskAgain": {
+    "type": "text",
+    "placeholders": {}
+  },
   "encrypted": "Encrypted",
   "@encrypted": {
     "type": "text",

lib/config/setting_keys.dart

@@ -18,4 +18,6 @@ abstract class SettingKeys {
   static const String unifiedPushEndpoint = 'chat.fluffy.unifiedpush.endpoint';
   static const String notificationCurrentIds = 'chat.fluffy.notification_ids';
   static const String ownStatusMessage = 'chat.fluffy.status_msg';
+  static const String dontAskForBootstrapKey =
+      'chat.fluffychat.dont_ask_bootstrap';
 }

lib/pages/bootstrap_dialog.dart

@@ -1,4 +1,6 @@
 import 'package:adaptive_dialog/adaptive_dialog.dart';
+import 'package:fluffychat/config/setting_keys.dart';
+import 'package:fluffychat/utils/matrix_sdk_extensions.dart/flutter_matrix_hive_database.dart';
 import 'package:matrix/encryption.dart';
 import 'package:matrix/encryption/utils/bootstrap.dart';
 import 'package:matrix/matrix.dart';
@@ -65,6 +67,12 @@ class _BootstrapDialogState extends State<BootstrapDialog> {
     });
   }
 
+  void cancelAndDontAskAgain() async {
+    await (widget.client.database as FlutterMatrixHiveStore)
+        .put(SettingKeys.dontAskForBootstrapKey, true);
+    Navigator.of(context, rootNavigator: false).pop<bool>(false);
+  }
+
   @override
   Widget build(BuildContext context) {
     _wipe ??= widget.wipe;
@@ -81,6 +89,11 @@ class _BootstrapDialogState extends State<BootstrapDialog> {
         label: L10n.of(context).next,
         onPressed: () => _createBootstrap(false),
       ));
+      buttons.add(AdaptiveFlatButton(
+        label: L10n.of(context).dontAskAgain,
+        onPressed: cancelAndDontAskAgain,
+        textColor: Colors.red,
+      ));
     } else if (bootstrap.newSsssKey?.recoveryKey != null &&
         _recoveryKeyStored == false) {
       final key = bootstrap.newSsssKey.recoveryKey;

lib/pages/chat_list.dart

@@ -2,6 +2,8 @@ import 'dart:async';
 import 'dart:io';
 
 import 'package:adaptive_dialog/adaptive_dialog.dart';
+import 'package:fluffychat/config/setting_keys.dart';
+import 'package:fluffychat/utils/matrix_sdk_extensions.dart/flutter_matrix_hive_database.dart';
 
 import 'package:matrix/matrix.dart';
 import 'package:fluffychat/utils/fluffy_share.dart';
@@ -156,6 +158,11 @@ class ChatListController extends State<ChatList> {
     _initReceiveSharingIntent();
     WidgetsBinding.instance.addPostFrameCallback((_) async {
       if (!Matrix.of(context).client.encryptionEnabled) return;
+      if ((Matrix.of(context).client.database as FlutterMatrixHiveStore)
+              .get(SettingKeys.dontAskForBootstrapKey) ==
+          true) {
+        return;
+      }
       final crossSigning = await crossSigningCachedFuture;
       final needsBootstrap =
           Matrix.of(context).client.encryption?.crossSigning?.enabled ==
@@ -181,10 +188,12 @@ class ChatListController extends State<ChatList> {
     if (room.isSpace) return false;
     if (activeSpaceId != null) {
       final space = Matrix.of(context).client.getRoomById(activeSpaceId);
-      if (space.spaceChildren.any((child) => child.roomId == room.id)) {
+      if (space.spaceChildren?.any((child) => child.roomId == room.id) ??
+          false) {
         return true;
       }
-      if (room.spaceParents.any((parent) => parent.roomId == activeSpaceId)) {
+      if (room.spaceParents?.any((parent) => parent.roomId == activeSpaceId) ??
+          false) {
         return true;
       }
       if (room.isDirectChat &&