cubicweb #2535714 cubicweb-ctl add-source raise AuthenticationError [done]

cubicweb-ctl add-source <instance> fails while connecting to the repository

-> Error: wrong user/password.
we need a manager connection on the repository (the server doesn't  have to run, even should better not)
login:
prioritynormal
typebug
done in3.15.7
load left0.000
closed by#9d792e9f1c79 [server config] on quick start, system source is still activated. Closes #2535714