Let time for re-crawling and re-indexing. Remember that it could consider several times right after publishing a web page for Google to find and crawl it. For normal questions about crawling and indexing, check the Google Search crawling and indexing FAQ. Put up a question in the Google Lookup Central https://addons.prestashop.com/it/seo-indicizzazione-naturale/31857-google-rich-snippet-automatico-json-ld-open-graph-seo.html