TF-261 Add HtmlEditor for web browser

core/lib/data/utils/device_manager.dart

@@ -1,6 +1,7 @@
 import 'dart:core';
 
-import 'package:device_info/device_info.dart';
+import 'package:device_info_plus/device_info_plus.dart';
+
 
 class DeviceManager {
   final DeviceInfoPlugin _deviceInfoPlugin;
@@ -9,6 +10,10 @@ class DeviceManager {
 
   Future<bool> isNeedRequestStoragePermissionOnAndroid() async {
     final androidInfo = await _deviceInfoPlugin.androidInfo;
-    return androidInfo.version.sdkInt <= 28;
+    final sdkInt = androidInfo.version.sdkInt;
+    if (sdkInt != null) {
+      return sdkInt <= 28;
+    }
+    return false;
   }
 }