Added a warning prompt if the user tries to use an API cert instead of a CLI cert
Summary: Fixes T9692. Instead of disallowing API tokens entirely, we're going to just warn the user that they might not want to do that. After that, they can proceed if they want to.
Run arc install-certificate.
Manually go to Settings → Conduit API Tokens in the web UI.
Generate an API token explicitly, which should have the form api-**.
Paste that into the prompt on the CLI.
It will give you a warning prompt then ask if you'd like to proceed anyway (defaults to No).
Reviewers: epriestley, Blessed Reviewers
Reviewed By: epriestley, Blessed Reviewers
Subscribers: Korvin, epriestley
Maniphest Tasks: T9692
Differential Revision: https://secure.phabricator.com/D16448