[FIX] web_editor: disable overlay pointer events on wheel event

This commit disable the pointer events on the overlay during the mouse
wheel event. To prevent page scrolling from stopping when hovering
over the overlay.

task-2312878

closes odoo/odoo#60367

X-original-commit: 978cd024
Signed-off-by: Quentin Smetz (qsm) <qsm@odoo.com>