fix stackoverflow bug

packages/stream_chat/lib/src/client.dart

@@ -890,7 +890,7 @@ class StreamChatClient {
   String get _authType => _anonymous ? 'anonymous' : 'jwt';
 
   String get _userAgent =>
-      'stream-chat-dart-client-${Platform.name}-${PACKAGE_VERSION.split('+')[0]}';
+      'stream-chat-dart-client-${CurrentPlatform.name}-${PACKAGE_VERSION.split('+')[0]}';
 
   Map<String, String> get _commonQueryParams => {
         'user_id': state.user?.id,

packages/stream_chat/lib/src/platform_detector/platform_detector.dart

@@ -1,4 +1,6 @@
-import 'platform_detector_web.dart' if (dart.library.io) 'src/platform_io.dart';
+import 'platform_detector_stub.dart'
+    if (dart.library.html) 'platform_detector_web.dart'
+    if (dart.library.io) 'platform_detector_io.dart';
 
 enum PlatformType {
   Android,
@@ -10,7 +12,8 @@ enum PlatformType {
   Fuchsia,
 }
 
-abstract class Platform {
+class CurrentPlatform {
+  CurrentPlatform._();
   static bool get isAndroid => currentPlatform == PlatformType.Android;
   static bool get isIos => currentPlatform == PlatformType.Ios;
   static bool get isWeb => currentPlatform == PlatformType.Web;

packages/stream_chat/lib/src/platform_detector/platform_detector_io.dart

@@ -1,11 +1,12 @@
 import 'dart:io';
 import 'platform_detector.dart';
 
+//Override default method, to provide .io access
 PlatformType get currentPlatform {
   if (Platform.isWindows) return PlatformType.Windows;
   if (Platform.isFuchsia) return PlatformType.Fuchsia;
   if (Platform.isMacOS) return PlatformType.MacOS;
   if (Platform.isLinux) return PlatformType.Linux;
-  if (Platform.isIos) return PlatformType.Ios;
+  if (Platform.isIOS) return PlatformType.Ios;
   return PlatformType.Android;
 }

packages/stream_chat/lib/src/platform_detector/platform_detector_stub.dart

@@ -0,0 +1,5 @@
+import 'platform_detector.dart';
+
+PlatformType get currentPlatform {
+  throw UnimplementedError();
+}

packages/stream_chat/lib/src/platform_detector/platform_type.dart

@@ -0,0 +1,9 @@
+enum PlatformType {
+  Android,
+  Ios,
+  Web,
+  MacOS,
+  Windows,
+  Linux,
+  Fuchsia,
+}