MatSelectItem does not update selected value about matblazor HOT 1 OPEN

public static class MatSelectItemExtensions
{
    public static void UpdateSelectedText<T>(this MatSelectItem<T> select)
    {
        Type selectType = typeof(MatSelectItem<T>);
        Type itemType = typeof(T);

        // Get currently selected item
        PropertyInfo currentValueProperty = selectType.GetProperty("CurrentValue", BindingFlags.NonPublic | BindingFlags.Instance);
        T currentValue = (T)currentValueProperty.GetValue(select);

        // Call OnValueChanged which accepts old value and new value. Old value does not seem to be used so we can just provide null
        MethodInfo onValueChangedMethod = selectType.GetMethod("OnValueChanged", BindingFlags.NonPublic | BindingFlags.Instance, new Type[] { itemType, itemType });
        onValueChangedMethod.Invoke(select, new object[] { null, currentValue });
    }
}

public class MatSelectItemFixed<T> : MatSelectItem<T>
{
    internal MatBlazorSwitchT<int> switchTK = MatBlazorSwitchT<int>.Get();

    public void UpdateSelectedText()
    {
        CallAfterRender(async () =>
        {
            await JsInvokeAsync<object>("matBlazor.matSelect.setValue", Ref, switchTK.FormatValueAsString(GetKeyFromValue(CurrentValue), null));
        });
    }
}

public static class MatSelectItemExtensions
{
    public static void UpdateSelectedText<T>(this MatSelectItem<T> select)
    {
        // Call OnValueChanged which accepts bool value that indicates whether value is changed
        Type selectType = typeof(MatSelectItem<T>);
        MethodInfo onValueChangedMethod = selectType.GetMethod("OnValueChanged", BindingFlags.NonPublic | BindingFlags.Instance);
        onValueChangedMethod.Invoke(select, new object[] { true });
    }
}