Solve custom option dropdown issue

[dharmendra-wagento]

Description (*)

Admin Customizable Options Dropdown sort_order issue

Fixed Issues (if relevant)

1. Admin Customizable Options Dropdown sort_order issue #20989: Admin Customizable Options Dropdown sort_order issue

Manual testing scenarios (*)

1. Go to Catalog > Products
2. Edit/New Product
3. Expand Customizable Options and click on Add Option
4. Choose Drop Dowm as New Option Type
5. Add 1 or 2 Values
   6 . Now , Change Option type from drop down to field or area
6. Now again choose Drop Dowm as Option Type
7. Add 1 or 2 Values

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 @dharmendra-wagento. Thank you for your contribution
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[magento-cicd2]

All committers have signed the CLA.

[dharmendra-wagento]

@magento-engcom-team give me 2.2-develop instance

[magento-engcom-team]

Hi @dharmendra-wagento. Thank you for your request. I'm working on Magento 2.2-develop instance for you

[magento-engcom-team]

Hi @dharmendra-wagento, here is your Magento instance.
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[dmytro-ch]

@magento-engcom-team give me test instance

[magento-engcom-team]

Hi @dmytro-ch. Thank you for your request. I'm working on Magento instance for you

[magento-engcom-team]

Hi @dmytro-ch, here is your new Magento instance.
Admin access: https://pr-20990.instances.magento-community.engineering/admin
Login: admin Password: 123123q

[magento-engcom-team]

Hi @dmytro-ch, thank you for the review.
ENGCOM-4150 has been created to process this Pull Request

[magento-engcom-team]

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