Bug 15504: (follow-up) Migrate to one clear method

Bug 15504: (follow-up) Migrate to one clear method

We were using a series of similarly named methods spread in distinct places
around the codebase. This combines the logic of C4::Auth::track_login_daily
and Koha::Patron->track_login into a new Koha::Patron->update_lastseen method.

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>