[Backport] MAGENTO-18131: Fixed EAV attributes values query

[gelanivishal]

Original Pull Request

#18437

Description

SQL Join error when using the custom EAV entity together with the standard eav_entity entity table.
Had to add the table alias into the entity_type_id filter condition.

Fixed Issues (if relevant)

1. Entity Type ID at Join #18131: Entity Type ID at Join

Manual testing scenarios

See issue description

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 @gelanivishal. 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 PR changes
• @magento-engcom-team give me $VERSION instance - deploy vanilla Magento instance

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[rodrigowebjump]

Hi @gelanivishal Thanks for your contribution

[magento-engcom-team]

Hi @rodrigowebjump, thank you for the review.
ENGCOM-3215 has been created to process this Pull Request

[magento-engcom-team]

Hi @gelanivishal. Thank you for your contribution.
We will aim to release these changes as part of 2.2.8.
Please check the release notes for final confirmation.

Please, consider to port this solution to 2.3 release line.
You may use Porting tool to port commits automatically.