[FIX] website_event: Duplicating event with a  menu
[FIX] website_event: Duplicating event with a  menu

When duplicating an event.event record with a website_menu, the duplicated
event had also a website_menu pointing to the first record.

opw:813270

ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo