Navigation dropdown caret icon.

[tejash-wagento]

Original PR

#16082

Description

Fixed Issues (if relevant)

1. Navigation dropdown caret icon. #16082: 2.2.4: navigation dropdown caret icon missing (jQuery UI) Navigation dropdown caret icon. #16082

Manual testing scenarios

1. Add icon in navigation

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 @tejash-wagento. 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:

• @magento-engcom-team give me test instance - deploy test instance based on Pull Request changes
• @magento-engcom-team give me new test instance - deploy NEW test instance based on Pull Request changes
• @magento-engcom-team give me {$VERSION} instance - deploy Vanilla Magento instance for Issue or Pull Request

For more details, please, review the Magento Contributor Assistant documentation

[magento-engcom-team]

Hi @tejash-wagento. Thank you for your contribution.
Changes from your Pull Request will be available with the upcoming 2.3.0 release.