[IMP] sale_expense : add condition on expense_policy display
[IMP] sale_expense : add condition on expense_policy display

The 'Re-Invoice Expenses' (expense_policy) can be visible only if 'Can be Expensed' is true.

TASK#2169344

closes odoo/odoo#48525

Signed-off-by: Yannick Tivisse (yti) <200a91eb0e5cc4726d6a3430713b580138f34298@odoo.com>

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