`get_user_session()` should return data on all site projects: https://help.tableau.com/current/api/rest_api/en-us/REST/rest_api_ref_projects.htm#query_projects
get_user_session()should return data on all site projects: https://help.tableau.com/current/api/rest_api/en-us/REST/rest_api_ref_projects.htm#query_projects