ObjectInitializer in CollectionInitializer breaking

[belav]

namespace NS
{
    class ClassName
    {
        void MethodName()
        {
            List<EmailVariable> parameters = new()
                {
                    new EmailVariable()
                    {
                        Parameter = "Customer",
                        IsValidFinalParameter = false,
                        FollowUpVariables = new List<EmailVariable>()
                        {
                            new()
                            { Parameter = "Name" }
                        }
                    }
                };
        }
    }
}
// used to be
namespace NS
{
    class ClassName
    {
        void MethodName()
        {
            List<EmailVariable> parameters = new()
                {
                    new EmailVariable()
                    {
                        Parameter = "Customer",
                        IsValidFinalParameter = false,
                        FollowUpVariables = new List<EmailVariable>()
                        {
                            new() { Parameter = "Name" }
                        }
                    }
                };
        }
    }
}