[Catalog] Fixing compare block product removing action from sidebar

[eduard13]

Description (*)

This PR allows to open the product from the Comparing Products sidebar's block.

Fixed Issues (if relevant)

1. Unable to open the product from sidebar's Compare Products block #21101: Unable to open the product from sidebar's Compare Products block
2. ...

Manual testing scenarios (*)

1. Add a product to your Compare Products list
2. Check the sidebar for new added product for comparing
3. Click on the Product's name

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 @eduard13. Thank you for your contribution
Here is some useful tips how you can test your changes using Magento test environment.
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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.
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[magento-engcom-team]

Hi @dmytro-ch, thank you for the review.
ENGCOM-4202 has been created to process this Pull Request

[ghost]

Hi @eduard13, thank you for your contribution!
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[eduard13]

@magento-engcom-team is there any reason of marking this PR as Cleanup?
cc. @sidolov
According to https://devdocs.magento.com/guides/v2.3/contributor-guide/contributing.html,

Code Cleanup	1	Contribution contains code cleanup such as typos, inline documentation, coding style, remove unused code, and so on.

Thank you.

[sidolov]

Hi @eduard13 , we updated documentation for Code Cleanup definition, but your pull request was merged before this changes and should be awarded as usual. I removed cleanup from your pull request, but all next PRs will be marked as cleanup.
Thank you!