Did Melania Trump actually have a good time with husband Donald Trump? The two recently attended an event in Florida, and though the former model, 53, looked like she was having a bad time, an insider insisted otherwise. “Melania Trump emerged as the main star at the Republican fund-raiser atJohn Paulson’s $100 million house in Palm Beach,” a source told Page Six. “The former first lady, who usually appears quite serious in photographs, seemed to never stop smiling Saturday night and was charming and talkative to all the guests . . . She’s ready to be first lady again and clearly enjoyed the e…