[IMP] point_of_sale saved_client_details method
[IMP] point_of_sale saved_client_details method

closes odoo/odoo#26220

Signed-off-by: Quentin Lejeune (qle) <5d1c09880ce30fdcf63039932dac0c183ef0bdc7@odoo.com>
ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo,ygol/odoo