Fixed Issue #20631 Console error on checkout after changing the allowed countries from admin

[GovindaSharma]

Description (*)

Fixed Issue #20631 Console error on checkout after changing the allowed countries from admin

Fixed Issues (if relevant)

1. Console error on checkout after changing the allowed countries from admin. #20631: Console error on checkout after changing the allowed countries from admin

Manual testing scenarios (*)

1. Add a product to cart as guest.

2. Fill the shipping address and reload the page now shipping address must be filled already.
3. Go to Admin->Stores->configuration->General, Change allowed countries single one that is not filled on checkout. like i have filled United State at checkout and change allowed countries to Libya.
   4.Now reload the checkout shipping page again.

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 @GovindaSharma. Thank you for your contribution
Here is some useful tips how you can test your changes using Magento test environment.
Add the comment under your pull request to deploy test or vanilla Magento instance:

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• @magento-engcom-team give me 2.3-develop instance - deploy vanilla Magento instance

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[okorshenko]

@magento-engcom-team give me 2.3-develop instance

[magento-engcom-team]

Hi @okorshenko. Thank you for your request. I'm working on Magento 2.3-develop instance for you

[magento-engcom-team]

Hi @okorshenko, here is your Magento instance.
Admin access: https://i-20634-2-3-develop.instances.magento-community.engineering/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.

[okorshenko]

@magento-engcom-team give me test instance

[magento-engcom-team]

Hi @okorshenko. Thank you for your request. I'm working on Magento instance for you

[magento-engcom-team]

Hi @okorshenko, here is your new Magento instance.
Admin access: https://pr-20634.instances.magento-community.engineering/admin
Login: admin Password: 123123q

[okorshenko]

@magento-engcom-team give me test instance

[magento-engcom-team]

Hi @okorshenko. Thank you for your request. I'm working on Magento instance for you

[magento-engcom-team]

Hi @okorshenko, here is your new Magento instance.
Admin access: https://pr-20634.instances.magento-community.engineering/admin
Login: admin Password: 123123q

[magento-engcom-team]

Hi @okorshenko, thank you for the review.
ENGCOM-4019 has been created to process this Pull Request

[ghost]

Hi @GovindaSharma, thank you for your contribution!
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