Bug: Cliente Flutter no Windows falha com erro 400 (plain HTTP request sent to HTTPS port)

[Firetool-Enviroment]

• Cliente oficial falha com erro "400 The plain HTTP request was sent to HTTPS port"
• Socket direto com IP funciona perfeitamente
• Testado nas versões 2.12.0, 2.10.2 e 2.10.0
  Processo realizado para chegar ao resultado

1. Flutter 3.41.2 no Windows 10/11
2. Adicionar supabase_flutter: 2.10.0 ou 2.10.2 2.12.0 -- mesmo erro em todas
3. Chamar Supabase.initialize() e signUp()
4. Erro aparece: '400 The plain HTTP request was sent to HTTPS port'

Versões:
Flutter: 3.41.2
supabase_flutter: 2.12.0
SO: Windows 11
Exception capturada: OSError (OS Error: Este host não é conhecido, errno = 11001)

Main exemplo:
Future main() async {
WidgetsFlutterBinding.ensureInitialized();

await Supabase.initialize(
url: SupabaseConfig.supabaseUrl,
anonKey: SupabaseConfig.supabaseAnonKey,
);

final supabase = Supabase.instance.client;

runApp(
AppWidget(
supClient: supabase,
),
);
}

SignUp:
Future signUp({
required String email,
required String password,
}) async {
try {
await _client.auth.signUp(
email: email,
password: password,
);
} on AuthException catch (e) {
throw _mapSignUpError(e);
}
}