Georgia’s primary election Tuesday secured for President Joe Biden enough delegates to win the Democratic nomination but showed signs of trouble ahead for former President Donald Trump, experts said. Trump easily secured the state with 84.3 of the vote as of 10 p.m. but he was barely above 50 percent in the Atlanta-area Fulton and DeKalb counties, according to New York Times projections. The rest of those votes went to former South Carolina Gov. Nikki Haley — even though she’s already dropped out of the Republican presidential race. As of 10 p.m. she had secured 45 percent of the vote in Dekal…