Initialize `StructReturnType` for `gtNewRefCOMfield`. (#20056)
Initialize `StructReturnType` for `gtNewRefCOMfield`. (#20056)

The issue could be repro only on .Net Framework, because this helper is only needed for remoting, that .Net Core doesn't have.
krk/coreclr,krk/coreclr,wtgodbe/coreclr,wtgodbe/coreclr,krk/coreclr,poizan42/coreclr,krk/coreclr,poizan42/coreclr,mmitche/coreclr,cshung/coreclr,krk/coreclr,krk/coreclr,poizan42/coreclr,mmitche/coreclr,cshung/coreclr,cshung/coreclr,mmitche/coreclr,wtgodbe/coreclr,poizan42/coreclr,wtgodbe/coreclr,mmitche/coreclr,cshung/coreclr,mmitche/coreclr,cshung/coreclr,cshung/coreclr,wtgodbe/coreclr,poizan42/coreclr,poizan42/coreclr,mmitche/coreclr,wtgodbe/coreclr