I.e. when getting product data by GTIN or ASIN, also add possibility to return who the product is sold by (if other than Amazon).

Example: https://www.amazon.de/SILBERTHAL-Milchk%C3%A4nnchen-Edelstahl-350ml-schwarz/dp/B095KP5C3J?source=ps-sl-shoppingads-lpcontext&ref_=fplfs&smid=A3VAXO9Z3101H0&th=1