[Solved] Magento 2.3.6 search result page no product images

Diego Zanotti Asks: Magento 2.3.6 search result page no product images
I’m trying to fix a an issue in a store for a customer without success.. Website prochet1861.com is developed with Magento 2.3.6 and running Elasticsearch 7. All work perfect (categories, advanced search, quick search, etc) but I have a problem with search result page, it show me correct results but products grid show placeholder images and display correct product image only on rollover.
If I try this query, for example: https://www.prochet1861.com/catalogsearch/result/?q=tazza result is a page with only thumbnails..
Main image path: https://www.prochet1861.com/pub/sta…og/images/product/placeholder/small_image.jpg
Rollover (correct image) Path: https://www.prochet1861.com/pub/med…bb9dc070e2c11e42e26fdc86dfdfe117/s/o/sola.jpg
Product detail is OK and advanced search work perfectly… just quick search have this problem.

I have tried various solutions: REINDEX, CLEAR CACHE, REGENERATE STATIC FILES, DISABLE PORTO THEME AND SWITCH TO DEFAULT LUMA, DISABLE SOME EXTENSIONS, SWITCH TO MySQL SEARCH ENGINE… nothing fix this problem, can anybody help me?! THANK YOU!

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