MAGECLOUD-4448-4449: Deliver core patches

[shiftedreality]

Description

Fixed Issues (if relevant)

1. https://magento2.atlassian.net/browse/MAGECLOUD-4448
2. https://magento2.atlassian.net/browse/MAGECLOUD-4449

Manual testing scenarios

1. Fixed: Method chaining broken Module_Catalog Product Collection magento2#24973
2. https://jira.corp.magento.com/browse/MC-21696

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)

[shiftedreality]

Closed until further decisions.

[ghost]

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