[Backport] Magento 2.2.0 A solution for Product Repeat Issue after filter on category listing page.

[mageprince]

Original Pull Request

#11429

Pull Request For Magento 2.2.0: A solution for Product Repeat Issue after filter on category listing page.

Description

I have traced the issues and finally, I have found the problem. This issues #11139 is occurring just because of product position. When some products position are same on collection at that time we have faced this issue. For more detail about this issues please check #11139

Fixed Issues (if relevant)

1. Product Repeat Isuue after filter on category listing page. #11139: Product Repeat Isuue after filter on category listing page.

Manual testing scenarios

1. Please check Product Repeat Isuue after filter on category listing page. #11139

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 @ihor-sviziev, thank you for the review.
ENGCOM-2574 has been created to process this Pull Request

[sidolov]

Hi @mageprince , we cannot reproduce this issue on Magento 2.1 vanilla installation. Please, provide additional test steps for this issue.
Thank you!