A Diamond District jeweler to the stars who appeared in an Adam Sandler flick wielded his massive social-media base to blackball his ex, labeling her a “stupid monkey brained b—h,” a shocking lawsuit claims. Maksud Agadjani — the 38-year-old founder and CEO of TraxNYC who rose to fame after appearing in the 2019 Sandler film “Uncut Gems” — became unhinged when former employee and onetime girlfriend Melisa Kulla, 27, rejected his marriage proposal two years after they broke up, according to the