“Fioretta,” the lusciously shot Jewish genealogical documentary by Israeli-American filmmaker Matthew Mishory, is clearly a labor of affection, filmed by a Jewish group deeply engaged with their very own tradition and historical past, wanting to share the method of this exploration with audiences. The film, which can have its Israeli premiere on Sunday in Tel Aviv, follows duo Randy and Joe Schoenberg, a father and son from Los Angeles, as they hint one strand of their household’s historical past in Europe again 500 years. The movie’s world premiere was September 30 in Woodstock, New York, adopted by a exhibiting on the Zurich Movie Competition on October 5. After Israel, “Fioretta”…