Description of problem: When environments/enable-federation-openidc.yaml is included to use federation with OpenID Connect, keystone accepts the following auth methods - password - token - openid However the list doesn't include some methods which are enabled by default and results in disabling some methods like application_credential. Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: 1. Deploy overcloud with OpenID Connect Federation enabled 2. Check keystone.conf Actual results: Some of the defualt auth methods like application_credential are disabled Expected results: Defualt auth methods are kept enabled Additional info: