Mutate a product’s per-attribute value selections.
Handles the update portion of the attribute batch engine (createAndLinkProductAttributesToProductWorkflow). For shared axis attributes it adjusts the per-product value subset of the mirror option and keeps the value-link pivot in sync; for exclusive (product-scoped) axis attributes it creates or deletes values on the exclusive option; for text/unit it swaps the linked value’s name (or creates one); for toggle it re-links the matching true/false value. A title on a product-scoped attribute renames it via updateProductAttributesWorkflow.