android platform check is not web safe

Author: trik

packages/flutter_reactive_ble/lib/src/reactive_ble.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 import 'dart:io';
 
+import 'package:flutter/foundation.dart' show kIsWeb;
 import 'package:flutter_reactive_ble/src/connected_device_operation.dart';
 import 'package:flutter_reactive_ble/src/debug_logger.dart';
 import 'package:flutter_reactive_ble/src/device_connector.dart';
@@ -116,7 +117,7 @@ class FlutterReactiveBle {
       );
       _deviceScanner = DeviceScannerImpl(
         blePlatform: _blePlatform,
-        platformIsAndroid: () => Platform.isAndroid,
+        platformIsAndroid: () => !kIsWeb && Platform.isAndroid,
         delayAfterScanCompletion: Future<void>.delayed(
           const Duration(milliseconds: 300),
         ),