Adds media items by ID to product options.
The addProductMediaToChoices() function returns a Promise that resolves when the adding of
media (images or videos) to a product's options has started.
ID of the product with choices to which to add media items.
Product media items, and the choices to add the media to.
Note: Media must already be added to the product.
This method doesn’t return any custom errors, but may return standard errors. Learn more about standard Wix errors.