Missing customer name for edited guest orders on Dashboard: Last 5 orders

[m-overlund]

Preconditions (*)

1. OpenMage 20.2.0
2. PHP 8.2

Steps to reproduce (*)

1. Create an order on frontend as guest (not logged in)
2. Edit this order in admin
3. Check "Last 5 orders" on Dashboard (frontpage).

Expected result (*)

The order is shown with customer name.

Actual result (*)

Customer name is blank for this order.

Note:

Customer name is set/displayed as Guest on the order when the guest order is edited, instead of the original customer name.