[FIX] point_of_sale: remove <br/> tag from receipt

Current behavior:
When paying with a worldline terminal, the receipt is printed with
<br/> tags at the end of the receipt.

Steps to reproduce:
- Setup the worldline terminal and the IoT Box
- Open a POS session
- Pay with the worldline terminal
- The receipt contains the <br/> tags

opw-3051722

closes odoo/odoo#111956

X-original-commit: 10eea9aeeb2ffe2bb55adf70632e9467272b00a2
Related: odoo/enterprise#36711
Signed-off-by: Trinh Jacky (trj) <trj@odoo.com>
Signed-off-by: Engels Robin (roen) <roen@odoo.com>

addons/point_of_sale/static/src/js/models.js

@@ -14,6 +14,7 @@ var QWeb = core.qweb;
 var _t = core._t;
 var round_di = utils.round_decimals;
 var round_pr = utils.round_precision;
+const Markup = utils.Markup
 
 const { markRaw, reactive } = owl;
 
@@ -2476,7 +2477,7 @@ export class Payment extends PosModel {
             cid: this.cid,
             amount: this.get_amount(),
             name: this.name,
-            ticket: this.ticket,
+            ticket: Markup(this.ticket),
         };
     }
     // If payment status is a non-empty string, then it is an electronic payment.