Preconditions:

• Configured storefront (added regions etc)
• Added at least one product with 100% completeness
• Created order by Anonymous user

Steps to reproduce

1. Log in to back office.
2. Go to Commerce / Shipments.
3. Verify customer name value on Shipment list for created an order from preconditions (Anonymous user).
4. Log in to storefront as an user e.g admin 
5. Place an order and complete payment.
6. Go to Commerce / Shipments once again.
7. Repeat step 3. (should be Anonymous user but is Administrator user).

Actual result:

Anonymous user name in customer name column is replaced by registered users from last order.

Expected result:

Properly displayed user name in customer name column for shipments.

Update:
After deep testing the issue occur when status for the shipment is changed e.g Pending to Ready to ship
https://recordit.co/OqtMEGWynK