EF Core DateTime Utc kind

<Custom>DbContext.cs

public class CustomDbContext : DbContext
{
    // ...
    
    protected override void OnConfiguring(DbContextOptionsBuilder options)
    {
        // Replace default materializer source to custom, to convert DateTimes
        options.ReplaceService<IEntityMaterializerSource, DateTimeKindEntityMaterializerSource>();

        base.OnConfiguring(options);
    }
}

DateTimeKindEntityMaterializerSource.cs

public class DateTimeKindEntityMaterializerSource : EntityMaterializerSource
{
    private static readonly MethodInfo _normalizeMethod =
        typeof(DateTimeKindMapper).GetTypeInfo().GetMethod(nameof(DateTimeKindMapper.Normalize));

    private static readonly MethodInfo _normalizeNullableMethod =
        typeof(DateTimeKindMapper).GetTypeInfo().GetMethod(nameof(DateTimeKindMapper.NormalizeNullable));

    private static readonly MethodInfo _normalizeObjectMethod =
        typeof(DateTimeKindMapper).GetTypeInfo().GetMethod(nameof(DateTimeKindMapper.NormalizeObject));

    public override Expression CreateReadValueExpression(Expression valueBuffer, Type type, int index, IProperty property = null)
    {
        if (type == typeof(DateTime))
        {
            return Expression.Call(
                _normalizeMethod,
                base.CreateReadValueExpression(valueBuffer, type, index, property));
        }

        if (type == typeof(DateTime?))
        {
            return Expression.Call(
                _normalizeNullableMethod,
                base.CreateReadValueExpression(valueBuffer, type, index, property));
        }

        return base.CreateReadValueExpression(valueBuffer, type, index, property);
    }

    public override Expression CreateReadValueCallExpression(Expression valueBuffer, int index)
    {
        var readValueCallExpression = base.CreateReadValueCallExpression(valueBuffer, index);
        if (readValueCallExpression.Type == typeof(DateTime))
        {
            return Expression.Call(
                _normalizeMethod,
                readValueCallExpression);
        }

        if (readValueCallExpression.Type == typeof(DateTime?))
        {
            return Expression.Call(
                _normalizeNullableMethod,
                readValueCallExpression);
        }

        if (readValueCallExpression.Type == typeof(object))
        {
            return Expression.Call(
                _normalizeObjectMethod,
                readValueCallExpression);
        }

        return readValueCallExpression;
    }
}

DateTimeKindMapper.cs

public class DateTimeKindMapper
{
    public static DateTime Normalize(DateTime value)
        => DateTime.SpecifyKind(value, DateTimeKind.Utc);

    public static DateTime? NormalizeNullable(DateTime? value)
        => value.HasValue ? DateTime.SpecifyKind(value.Value, DateTimeKind.Utc) : (DateTime?)null;

    public static object NormalizeObject(object value)
        => value is DateTime dateTime ? Normalize(dateTime) : value;
}

Can you make an example using .Net 6?