[FIX] website_event_track: no cookie lifetime service worker error

If you use firefox and have set cookie to be deleted when you close
firefox, server worker are nuked which cause an error to be shown in
website_event_track:

https://bugzilla.mozilla.org/show_bug.cgi?id=1429714



With this fix, the error is handler and shown in the console instead of
as a traceback to the user.

opw-2556734

closes odoo/odoo#74885

Signed-off-by: Nicolas Lempereur (nle) <nle@odoo.com>