[Backport] Fix #12802 - allow to override preference over CartInterface and return correct object from QuoteRepository

[Bartlomiejsz]

Original Pull Request

#22149

Description (*)

This is fix for #12802

Fixed Issues (if relevant)

1. QuoteRepository get methods won't return CartInterface but Quote model #12802: QuoteRepository get methods won't return CartInterface but Quote model

Manual testing scenarios (*)

Steps are described in #12802

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)

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[magento-engcom-team]

Hi @orlangur, thank you for the review.
ENGCOM-4855 has been created to process this Pull Request

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