Use SECPKG_ATTR_REMOTE_CERT_CHAIN to retrieve server cert during handshake#65134

rzikm merged 6 commits intodotnet:maindotnet/runtime:mainfrom

rzikm:63321-remoteCertificate-passed-to-LocalCertificateSelectionCallback-is-always-null-on-Windowsrzikm/dotnet-runtime:63321-remoteCertificate-passed-to-LocalCertificateSelectionCallback-is-always-null-on-WindowsCopy head branch name to clipboard