Describe the bug

In the BO > Orders > Order detail page > when adding a product to an empty order, the Shipping is not updated in the info block

When we refresh the page => ok

Steps to Reproduce

Steps to reproduce the behavior:

1. Create order from the FO with only one product
2. In the Shipping steps " choose a carrier with fees (not free)"
3. Delete the product and refresh: The order is empty
4. Add a product to the order => NOK
   
5. Refresh => ok
   

ps1.7.6.9 => OK
https://drive.google.com/file/d/1FURxcTRChiD9l5LLCChmaDD1vaha1oPq/view?usp=sharing

Additional information

• PrestaShop version: 1770Build1
• PHP version: 7.2