Issue #15656: Duplicate product

[deadlexus]

• Fixed an issue with incorrect duplicating of product attributes when they have different values on store view level;

1. Duplicate product #15656: Duplicate product

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[magento-cicd2]

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[sidolov]

@deadlexus please, take a look at failed integration test, looks like scenario is broken with provided fix

[VladimirZaets]

@deadlexus , I am closing this PR now due to inactivity.
Please reopen and update if you wish to continue.
Thank you for collaboration

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