I have an external application that uses the OData API via Azure AD aka Entra ID. According to documentation online, I need to register it in /System administration > Setup > Microsoft Entra ID applications/. The problem I have here is that for the User ID instead of specifying the /Admin/ user, I want to use a new user that was created for the purpose of this integration, but when I use that user, my API calls fail with this 403 error: