Billionaire George Soros offered his Brazilian soap star ex-girlfriend a ​whopping ​$6.9 million settlement last year to drop her suit against him — ​but she turned it down. ​ Even though her epic three-year legal battle with Soros started after she claimed he reneged on a promise to buy her a $1.9 million Upper East Side apartment, Adriana Ferreyr told The Post that she snubbed the payout, worth more than three times the apartment’s value, because she still wanted to depose her ​lefty investor ​former lover. Fiery 30-something Ferreyr brought her case against Soros, 83, in 2011, claiming he’d promised to buy her ... (full story)