Case C-828/18: Judgment of the Court (Ninth Chamber) of 4 June 2020 (request for a preliminary ruling from the Tribunal de commerce de Paris — France) — Trendsetteuse SARL v DCA SARL (Reference for a preliminary ruling — Self-employed commercial agents — Directive 86/653/EEC — Concept of ‘commercial agent’ — Negotiation of the sale or purchase of goods on behalf of the principal — Intermediary lacking the power to change the conditions of sale and the prices of the goods that intermediary sells)