Task ID: 2712093
Currently:
- In the payment widget the exchange difference value is always shown as 0 and is described as "Paid on", which can be confusing for a user
Desired:
- The exchange difference should have the difference amount and be described as "Exchange difference" (text-muted)
- In the payment widget pop-up, show the both the amount in company and foreign currencies
closesodoo/odoo#82206
Signed-off-by: Quentin De Paoli <qdp@odoo.com>