Mutation IsLoading remains true in (Phetch library)

// Api.cs

public class Api
{
    public Api()
    {
        LoginUserEndpoint = new Endpoint<Login.LoginFormModel, dynamic>(LoginUser, defaultOptions);
    }

    public Endpoint<Login.LoginFormModel, dynamic> LoginUserEndpoint { get; }

    private async Task<dynamic> LoginUser(Login.LoginFormModel loginFormModel, CancellationToken cancellationToken)
    {
        var apiPath = $"{ApiBaseUrl}/{ApiEndpoint.Login.GetEnumMemberValue()}";
        var response = await _httpClient.PostAsJsonAsync(apiPath, loginFormModel, cancellationToken);
        if (response is null) throw new JsonException("API response was null");
        return response;
    }
}

// Login.razor
@code {
    
    public readonly LoginFormModel LoginForm = new("", "");

    private Query<LoginFormModel, dynamic>? _loginUserMutation;

    protected override void OnInitialized()
    {
        _loginUserMutation = Api.LoginUserEndpoint.Use();
    }

    public class LoginFormModel(string username, string password)
    {
        [Required(ErrorMessage = "Username is required")]
        public string Username { get; set; } = username;

        [Required(ErrorMessage = "Password is required")]
        public string Password { get; set; } = password;
    }

    private void HandleSubmit()
    {
        if (_loginUserMutation is null) return;
        _loginUserMutation.Trigger(LoginForm);
        Console.WriteLine(JsonConvert.SerializeObject(_loginUserMutation.Data, Formatting.Indented));
    }

}

<button type="submit" disabled="@_loginUserMutation.IsLoading" class="w-full py-3 px-4 inline-flex justify-center items-center gap-x-2 text-sm font-semibold rounded-lg border border-transparent bg-blue-600 text-white hover:bg-blue-700 disabled:opacity-50 disabled:pointer-events-none">
    @(_loginUserMutation.IsLoading ? "Logging in..." : "Log in")
</button>

// Api.cs

public class Api
{
    public Api()
    {
        LoginUserEndpoint = new Endpoint<Login.LoginFormModel, dynamic>(LoginUser, defaultOptions);
    }

    public Endpoint<Login.LoginFormModel, dynamic> LoginUserEndpoint { get; }

    private async Task<dynamic> LoginUser(Login.LoginFormModel loginFormModel, CancellationToken cancellationToken)
    {
        var apiPath = $"{ApiBaseUrl}/{ApiEndpoint.Login.GetEnumMemberValue()}";
        var response = await _httpClient.PostAsJsonAsync(apiPath, loginFormModel, cancellationToken);
        if (response is null) throw new JsonException("API response was null");
        return response;
    }
}

// Login.razor
@code {
    
    public readonly LoginFormModel LoginForm = new("", "");

    private Query<LoginFormModel, dynamic>? _loginUserMutation;

    protected override void OnInitialized()
    {
        _loginUserMutation = Api.LoginUserEndpoint.Use();
    }

    public class LoginFormModel(string username, string password)
    {
        [Required(ErrorMessage = "Username is required")]
        public string Username { get; set; } = username;

        [Required(ErrorMessage = "Password is required")]
        public string Password { get; set; } = password;
    }

    private void HandleSubmit()
    {
        if (_loginUserMutation is null) return;
        _loginUserMutation.Trigger(LoginForm);
        Console.WriteLine(JsonConvert.SerializeObject(_loginUserMutation.Data, Formatting.Indented));
    }

}

<button type="submit" disabled="@_loginUserMutation.IsLoading" class="w-full py-3 px-4 inline-flex justify-center items-center gap-x-2 text-sm font-semibold rounded-lg border border-transparent bg-blue-600 text-white hover:bg-blue-700 disabled:opacity-50 disabled:pointer-events-none">
    @(_loginUserMutation.IsLoading ? "Logging in..." : "Log in")
</button>