do not set the overridden flag when creating
do not set the overridden flag when creating

when we are creating a new account we should not set the
display-name-overridden flag, since then changes in
the account details wont update the name in the accounts tree.

GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets