Describe the bug

In the BO > Order page, the voucher line is not removed when the Order's total < Minimum amount for cart rule.

Expected behavior

The voucher line should be removed

Steps to Reproduce

Steps to reproduce the behavior:

1. Go to BO > Catalog > Discounts page
2. Create a cart rule:
   2.1 Informations: With a code
   2.2 Conditions: Minimum amount = 50euro, tax excluded, shipping excluded
   2.3 Actions: Apply a discount amount = 1 euro tax included
   
3. Go to BO => Orders => Add new order page for "John Doe"
4. add some product to the order
5. Add demo_6 to the cart with quantity =1 (29 euro tax excluded)
6. Add demo_21 to the cart with quantity = 1 (35 euro tax excluded)
7. Search the discount and apply it => ok
8. remove the product demo_21
9. see error => the voucher line is not removed
10. In the summary block, the voucher is applied => NOK

PS1768 => ok

Additional information

• PrestaShop version: 1770rc1build2
• PHP version: 7.2