Fix product attribute mapping

[filipsobol]

Related Issues

Fix mapping for product attributes with type set

Pull Request Checklist

• I have updated the Changelog (V1) v2 and mentioned all breaking changes in the public API.
• I have documented all new public APIs and made changes to existing docs mentioning the parts I've changed so they're up to date.
• I have tested my Pull Request on production build and (to my knowledge) it works without any issues
• I have followed naming conventions

[coveralls]

Pull Request Test Coverage Report for Build 686778103

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
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• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 80.121%

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Totals
Change from base Build 686251374:	0.0%
Covered Lines:	1502
Relevant Lines:	1746

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💛 - Coveralls

[github-actions]

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