Fix for Internet Explorer 11: Edit customer in backend leads sometimes to a "loading circle" and error object does not support method "includes"

[omiroshnichenko]

Description

Replace usage of unsupported includes method with _.contains

Fixed Issues

1. Internet Explorer 11: Edit customer in backend leads sometimes to a "loading circle" and error object does not support method "includes" #18562: Internet Explorer 11: Edit customer in backend leads sometimes to a "loading circle" and error object does not support method "includes"

Manual testing scenarios

1. Go to admin using IE11
2. Customers > All Customers
3. Click Add New Customer
4. Open Adresses tab
5. Open developer tools
6. No JS errors in console

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-cicd2]

All committers have signed the CLA.

[magento-engcom-team]

Hi @omiroshnichenko. 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]

Hi @sidolov, thank you for the review.
ENGCOM-3371 has been created to process this Pull Request

[magento-engcom-team]

@omiroshnichenko thank you for contributing. Please accept Community Contributors team invitation here to gain extended permissions for this repository.

[magento-engcom-team]

Hi @omiroshnichenko. Thank you for your contribution.
We will aim to release these changes as part of 2.3.1.
Please check the release notes for final confirmation.