RemoteCertificateValidationCallback is always called twice for TLS 1.3 on Windows

[wfurt]

This may not be big deal but it is inconsistent with other platforms and TLS versions. This is because the handshake uses "renegotiate" path even if there really is no renegotiation in TLS 1.3.

Framework has several tests where we assert that the callback is called exactly once per HTTP request so I noticed when porting TLS 1.3 changes. We can probably add special handling for TLS 1.3 (since there is no renegotiation) or we can skip the second invocation if remote certificate did not changed.

[ghost]

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[wfurt]

fixed by #42836