Please change the Save.php as below and you will get the order id
use Magento\ Framework\Event\ObserverInterface;
So we would need to track which admins placed which orders, I think the easiest way would be to add admin userid into sales flat order table on magento. Share.
Admin users can now save an empty Customer Token Lifetime
Worldpay account credentials. Sign up
Use the customerCart query to obtain the cart ID for a logged-in customer.
On the Admin sidebar, go to Sales > Operations > Orders. Find the order in the
Exposure of session-id values in URLs creates a potential security vulnerability in the form of session fixation.
When enabled, reorders can be made directly from the customer account or from the original order in the Admin. Reorders