* Add filters for variant ean, upc, and barcode in product queries and validators
* fix: Omit 'q' field from variants in product list and validation parameters
* Add tests for admin products filtering by variants ean, upc, and barcode
* Add changeset for filter admin products api by variant ean, upc, and barcode
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Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>