Scenario:
Open a record that is invalid in database (a required field is
empty), and click on the pager to go to another record.
Before this commit, we prevented the user from leaving the record,
marked the field as invalid and displayed a notification. This is
a weird UX experiment, since the user changed nothing (he did not
even enter edit mode). In this situation, since the record hasn't
been modified, the user should be allowed to leave. This is how
the legacy form view behaved.
closesodoo/odoo#100442
Signed-off-by: Géry Debongnie <ged@odoo.com>