By The News Service of Florida Florida saw a jump in first-time jobless claims last week, ending a three-week slide. The U.S. Department of Labor on Thursday estimated 7,447 initial unemployment applications were filed in Florida last week, up from 5,363 the Memorial Day shortened week ending May 30. The state had seen its weekly numbers slide since 8,164 applications came the week after Dania Beach-based Spirit Airlines shutdown operations on M…