The condition for which the Fiscal Position's Note is shown only in Customer Invoices is removed because unnecessary.
A check has been added on the company's country to be 'IT'.

Task link: https://www.odoo.com/web#id=3420752&model=project.task


task-3420752

closes odoo/odoo#130042

Signed-off-by: John Laterre (jol) <jol@odoo.com>