fix: Sentry and small null fix

lib/components/user_bottom_sheet.dart

@@ -173,7 +173,7 @@ class UserBottomSheet extends StatelessWidget {
                       subtitle:
                           Text(presence.getLocalizedLastActiveAgo(context)),
                       trailing: Icon(Icons.circle,
-                          color: presence.presence.currentlyActive
+                          color: presence.presence.currentlyActive ?? false
                               ? Colors.green
                               : Colors.grey),
                     ),

lib/main.dart

@@ -18,6 +18,8 @@ import 'views/chat_list.dart';
 void main() {
   SystemChrome.setSystemUIOverlayStyle(
       SystemUiOverlayStyle(statusBarColor: Colors.transparent));
+  FlutterError.onError = (FlutterErrorDetails details) =>
+      Zone.current.handleUncaughtError(details.exception, details.stack);
   runZonedGuarded(
     () => runApp(App()),
     SentryController.captureException,

lib/utils/sentry_controller.dart

@@ -2,6 +2,7 @@ import 'package:bot_toast/bot_toast.dart';
 import 'package:fluffychat/components/dialogs/simple_dialogs.dart';
 import 'package:fluffychat/config/app_config.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter_gen/gen_l10n/l10n.dart';
 import 'package:sentry/sentry.dart';
 
@@ -31,8 +32,7 @@ abstract class SentryController {
   static void captureException(error, stackTrace) async {
     debugPrint(error.toString());
     debugPrint(stackTrace.toString());
-    final storage = Store();
-    if (await storage.getItem('sentry') == 'true') {
+    if (!kDebugMode && await getSentryStatus()) {
       await sentry.captureException(
         exception: error,
         stackTrace: stackTrace,