Fix mismatched paramrefs for System.NET

[gewarren]

Fixes #10895
Contributes to #10183
(Hide whitespace changes.)

[dotnet-policy-service]

Tagging subscribers to this area: @dotnet/ncl

[learn-build-service-prod]

Learn Build status updates of commit 11bad29:

✅ Validation status: passed

File	Status	Preview URL	Details
xml/System.Net.Http.Headers/HttpHeaders.xml	✅Succeeded	View
xml/System.Net.Mail/Attachment.xml	✅Succeeded	View
xml/System.Net.Mail/SmtpClient.xml	✅Succeeded	View
xml/System.Net.NetworkInformation/GatewayIPAddressInformationCollection.xml	✅Succeeded	View
xml/System.Net.NetworkInformation/MulticastIPAddressInformationCollection.xml	✅Succeeded	View
xml/System.Net.NetworkInformation/PhysicalAddress.xml	✅Succeeded	View
xml/System.Net.NetworkInformation/Ping.xml	✅Succeeded	View
xml/System.Net.NetworkInformation/UnicastIPAddressInformationCollection.xml	✅Succeeded	View
xml/System.Net.PeerToPeer.Collaboration/PeerContact.xml	✅Succeeded	View
xml/System.Net.Security/NegotiateStream.xml	✅Succeeded	View
xml/System.Net.Security/SslStream.xml	✅Succeeded	View
xml/System.Net.Sockets/IPv6MulticastOption.xml	✅Succeeded	View
xml/System.Net.Sockets/MulticastOption.xml	✅Succeeded	View
xml/System.Net.Sockets/NetworkStream.xml	✅Succeeded	View
xml/System.Net.Sockets/Socket.xml	✅Succeeded	View
xml/System.Net.Sockets/SocketTaskExtensions.xml	✅Succeeded	View
xml/System.Net.Sockets/TcpClient.xml	✅Succeeded	View
xml/System.Net.Sockets/UdpClient.xml	✅Succeeded	View
xml/System.Net/CookieContainer.xml	✅Succeeded	View
xml/System.Net/CredentialCache.xml	✅Succeeded	View
xml/System.Net/HttpListenerRequest.xml	✅Succeeded	View
xml/System.Net/HttpWebRequest.xml	✅Succeeded	View
xml/System.Net/IPAddress.xml	✅Succeeded	View
xml/System.Net/SocketAddress.xml	✅Succeeded	View
xml/System.Net/WebClient.xml	✅Succeeded	View

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[CarnaViire]

LGTM, thanks!