jams - incorrect name displayed if user has no displayname
Connect with a user who has no first name and no last name --> Jami returns "Compte Jami 3" --> if no displayname is available, we should fallback and display the username
Connect with a user who has no first name and no last name --> Jami returns "Compte Jami 3" --> if no displayname is available, we should fallback and display the username