Reference PL of #18928 for 2.3-develop

[mahesh-rajawat]

Reference #18928
Fixed Issue of Place an order as an guest, the displayed customer name in the admin order management is "Guest". If the guest has created an account after placing the order, it is a link that points to the customer's account management. Invoice and shipping are also affected.

Description (*)

If Order is placed by Guest user in admin Order view, Invoice view, Shipment view, displaying Customer
name as "Guest", issue was in the quote management, its only set email for the customer, Now i have it
in this pull request.

Fixed Issues (if relevant)

1. Customer name in adminhtml's order management is "Guest" #18616: Customer name in adminhtml's order management is "Guest"

Manual testing scenarios (*)

1. ...
2. ...

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)

[magento-engcom-team]

Hi @maheshWebkul721. Thank you for your contribution
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[orlangur]

@slavvka PR against 2.3-develop should be processed first according to current process I believe.

[slavvka]

@orlangur I would say PR to 2.3 should be merged before PR to 2.2. But that doesn't mean that PR to 2.2 cannot be completed and than changes are moved to 2.3

[mahesh-rajawat]

@slavvka , whats the status for this PR?

[slavvka]

Hey @maheshWebkul721 I asked you in your PR to 2.2 to cover your change with the automated test.

[slavvka]

@maheshWebkul721 But since this PR will be processed firstly, my ask relates to it as well.

[slavvka]

@maheshWebkul721 I am closing this PR since we have another PR #19191 which has better fix and it is covered with automated tests. Thank you for your collaboration!