All Submissions:

• Have you followed the WooCommerce Contributing guideline?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

p1662617142524119-slack-C01SFMVEYAK

It was noticed that if the user completes the onboarding profiler without filling in their address details (which are not mandatory anymore since #34176) then the shipping smart defaults flow would not kick in.

How to test the changes in this Pull Request:

1. Go to OBW
2. Select a "Country", but NOT fill the "Address"
3. Complete the rest of OBW with "physical products" and any other required details
4. Upon completing the OBW you should notice that there is a item to "Review Shipping Details" and clicking on it should bring you to the shipping settings page which should have a free shipping default filled in.

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully run tests with your changes locally?
• Have you created a changelog file for each project being changed, ie pnpm changelog add --filter=<project>?

FOR PR REVIEWER ONLY:

• I have reviewed that everything is sanitized/escaped appropriately for any SQL or XSS injection possibilities. I made sure Linting is not ignored or disabled.