Fix this tutorial

With regard to the guide: Really? You expect me to invest my time researching and writing a quality question so you can respond with .0000002 seconds of CoPilot compute time? Not gonna happen.

Build the app described here: https://learn.microsoft.com/en-us/entra/identity-platform/quickstart-web-api-dotnet-protect-app?tabs=aspnet-core

Identify the code that is a)missing and b)redundant: https://learn.microsoft.com/en-us/entra/identity-platform/tutorial-web-api-dotnet-core-build-app?tabs=workforce-tenant

Explain why this code does not work and demonstrate the fix: https://learn.microsoft.com/en-us/entra/identity-platform/tutorial-web-api-dotnet-core-call-protected-api