Dropdown menus (eg.: font-size) had their contents cropped if space was lacking underneath the toolbar. With this the user can scroll down to see the rest of it if needed. More info: https://github.com/twbs/bootstrap/issues/23378 closes odoo/odoo#69644 X-original-commit: d360b751acfc1649673739b185b635732cf5b78f Signed-off-by: David Monjoie (dmo) <dmo@odoo.com>