We have a use case where we would like to get access to the source API after our customers authorize through the Fivetran API. For example, a customer adds a Salesforce connector and we would like to use the Salesforce API separate from the data we get from Fivetran. Currently, it feels like we would have to require two different forms of authentication in order to do this. 1: Oauth through Fivetran API; 2: Oauth/APIKey for internal use. Is there a solution where we can get some sort of access token to use so we can access the integration's api ourselves?