[IMP] sale: pass placeholders content to translation call.

Use improved API from #52155 to fallback on the source string when the 
translated string is invalid.

addons/sale/models/sale_order.py

@@ -449,7 +449,7 @@ class SaleOrder(models.Model):
 
             return {
                 'warning': {
-                    'title': _("Warning for %s") % partner.name,
+                    'title': _("Warning for %s", partner.name),
                     'message': partner.sale_warn_msg,
                 }
             }
@@ -577,7 +577,7 @@ class SaleOrder(models.Model):
         self.ensure_one()
         journal = self.env['account.move'].with_context(default_move_type='out_invoice')._get_default_journal()
         if not journal:
-            raise UserError(_('Please define an accounting sales journal for the company %s (%s).') % (self.company_id.name, self.company_id.id))
+            raise UserError(_('Please define an accounting sales journal for the company %s (%s).', self.company_id.name, self.company_id.id))
 
         invoice_vals = {
             'ref': self.client_order_ref or '',

addons/sale/models/sale_order_line.py

@@ -158,7 +158,7 @@ class SaleOrderLine(models.Model):
         lines = super().create(vals_list)
         for line in lines:
             if line.product_id and line.order_id.state == 'sale':
-                msg = _("Extra line with %s ") % (line.product_id.display_name,)
+                msg = _("Extra line with %s", line.product_id.display_name)
                 line.order_id.message_post(body=msg)
                 # create an analytic account if at least an expense product
                 if line.product_id.expense_policy not in [False, 'no'] and not line.order_id.analytic_account_id: