That div has been given an absolute position, which does not work inside another div on the dashboard. If there are other dashboard elements below, there are unusable since they are covered by the no_content_create div. Moreover, there is no create button on the dashboard, so we shouldn't even see it. It also spares us from seeing that hideous clippy-inspired smiling paper sheet. opw 1907650 closes odoo/odoo#29076