[Backport] Solved this issue : Drop down values are not showing in catalog produ…

[mageprince]

Original Pull Request

#13861
Drop down values are not showing in catalog product grid magento2 #13006

Description

Now in catalog product grid after applying filter and sorting on drop-down/select attribute, values will be displayed. Testing done for Manufacturer product attribute.

Fixed Issues

1. Drop down values are not showing in catalog product grid magento2 #13006: Drop down values are not showing in catalog product grid magento2

Manual testing scenarios

1. Navigate to admin catalog product grid
2. Apply sorting on manufacturer/brand column
3. Apply filter on manufacturer/brand using filter
4. Now the manufacturer column will show values
5. If above is not working properly, please test once in private window

Expected result

Manufacturer column showing 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 @mageprince. Thank you for your contribution.
We will aim to release these changes as part of 2.1.15.
Please check the release notes for final confirmation.