Add troubleshooting guidance for VSCredential pre-auth error (Azure#47717)

Author: scottaddie

sdk/identity/Azure.Identity/TROUBLESHOOTING.md

@@ -265,6 +265,7 @@ curl 'http://169.254.169.254/metadata/identity/oauth2/token?resource=https://man
 |---|---|---|
 |Failed To Read Credentials</p></p>OR</p>Authenticate via Azure Service Authentication|The `VisualStudioCredential` failed to retrieve a token from the Visual Studio authentication utility `Microsoft.Asal.TokenService.exe`.|<ul><li>In Visual Studio, select the **Tools** > **Options** menu to launch the **Options** dialog.</li><li>Navigate to the **Azure Service Authentication** options to sign in with your Microsoft Entra account.</li><li>If you already logged in to your account, try logging out and logging in again. Doing so will repopulate the cache and potentially mitigate the error you're getting.</li></ul>|
 |ADFS tenant not supported|ADFS tenants aren't currently supported by Visual Studio `Azure Service Authentication`.|Use credentials from a supported cloud when authenticating with Visual Studio. The supported clouds are:</p><ul><li>AZURE PUBLIC CLOUD - https://login.microsoftonline.com/</li><li>AZURE GERMANY - https://login.microsoftonline.de/</li><li>AZURE CHINA - https://login.chinacloudapi.cn/</li><li>AZURE GOVERNMENT - https://login.microsoftonline.us/</li></ul>|
+|AADSTS65001: The user or administrator has not consented to use the application with ID '04f0c124-f2bc-4f59-8241-bf6df9866bbd' named 'Visual Studio'.|The user needs to add Visual Studio as an authorized application to their Azure resource.|Follow the instructions at [Pre-authorize your client application](https://learn.microsoft.com/entra/identity-platform/quickstart-web-api-aspnet-protect-api#pre-authorize-your-client-application). |
 |AADSTS65002: Consent between first party application '04f0c124-f2bc-4f59-8241-bf6df9866bbd' and first party resource '<GUID>' must be configured via preauthorization - applications owned and operated by Microsoft must get approval from the API owner before requesting tokens for that API.|The client application used by Visual Studio is not yet pre-authorized for the Azure resource mentioned in the error.|Follow the instructions under the [Pre-authorization issues section of this document.](https://learn.microsoft.com/visualstudio/ide/work-with-multi-factor-authentication?view=vs-2022#pre-authorization-issues)|
 
 ## Troubleshoot `AzureCliCredential` authentication issues