[Documentation] - ICustomWebUi.AcquireAuthorizationCodeAsync mistake

[NETSphereSoft]

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Documentation related to component Microsoft.Identity.Client

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Description of the issue There is a small mistake in the XML remarks of Microsoft.Identity.Client.Extensibility.ICustomWebUi.AcquireAuthorizationCodeAsync at line 34. There is an additional "\> after the paramref

[bgavrilMS]

Fixed via https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/pull/4812