Social login buttons are not visible. #4952

Hello. I'm trying to enable social login buttons for Google and Facebook. I have registered my app and have my authentication keys in appsettings.json and set "IsEnabled": "true". But GetExternalAuthenticationProviders() in TokenAuthController returns 0.

I can see that ConfigureExternalAuthProviders() in GlobalOpinionsWebHostModule class is adding my providers to the list when the solution starts up.

So why can _externalAuthConfiguration.Providers in this code return 0?

[HttpGet] public List<ExternalLoginProviderInfoModel> GetExternalAuthenticationProviders() { return ObjectMapper.Map<List<ExternalLoginProviderInfoModel>>(_externalAuthConfiguration.Providers); }

Is there something I've forgotten? I'm using the Angular version.