Cross-site login does not work from public site when deployed to Azure. #2629

• ABP Framework version: v5.1.3
• UI type: MVC
• DB provider: EF Core
• Tiered (MVC) or Identity Server Separated (Angular): MVC
• Exception message and stack trace: 2022-02-21 20:00:53.944 +00:00 [ERR] An unhandled exception has occurred while executing the request. System.Exception: An error was encountered while handling the remote login. ---> Microsoft.IdentityModel.Protocols.OpenIdConnect.OpenIdConnectProtocolException: Message contains error: 'invalid_client', error_description: 'error_description is null', error_uri: 'error_uri is null'. at Microsoft.AspNetCore.Authentication.OpenIdConnect.OpenIdConnectHandler.RedeemAuthorizationCodeAsync(OpenIdConnectMessage tokenEndpointRequest) at Microsoft.AspNetCore.Authentication.OpenIdConnect.OpenIdConnectHandler.HandleRemoteAuthenticateAsync() --- End of inner exception stack trace --- at Microsoft.AspNetCore.Authentication.RemoteAuthenticationHandler1.HandleRequestAsync() at IdentityServer4.Hosting.FederatedSignOut.AuthenticationRequestHandlerWrapper.HandleRequestAsync() at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context) at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.<Invoke>g__Awaited|6_0(ExceptionHandlerMiddleware middleware, HttpContext context, Task task)`
• Steps to reproduce the issue:"

• Deployed the web and public web application to Azure (works on development).
• Simply click on the "Login" on the public site.
• Can try it life here: https://www.scrapi.dev/

URL configuration is correct, followed guide on identity server deployment and couldn't find anything wrong. Not sure what I am missing. This is a direct deployment from the template before any updates. The admin password was changed so would be happy to share that if the config needs to be reviewed.