Fix item dragging
Fix item dragging

Hunter522/qgroundcontrol,cfelipesouza/qgroundcontrol,ethz-asl/qgc_asl,kd0aij/qgroundcontrol,RedoXyde/PX4_qGCS,CornerOfSkyline/qgroundcontrol,ethz-asl/qgc_asl,cfelipesouza/qgroundcontrol,scott-eddy/qgroundcontrol,CornerOfSkyline/qgroundcontrol,catch-twenty-two/qgroundcontrol,RedoXyde/PX4_qGCS,RedoXyde/PX4_qGCS,mihadyuk/qgroundcontrol,kd0aij/qgroundcontrol,Hunter522/qgroundcontrol,mihadyuk/qgroundcontrol,scott-eddy/qgroundcontrol,remspoor/qgroundcontrol,RedoXyde/PX4_qGCS,kd0aij/qgroundcontrol,scott-eddy/qgroundcontrol,ethz-asl/qgc_asl,catch-twenty-two/qgroundcontrol,mihadyuk/qgroundcontrol,cfelipesouza/qgroundcontrol,mihadyuk/qgroundcontrol,Hunter522/qgroundcontrol,catch-twenty-two/qgroundcontrol,RedoXyde/PX4_qGCS,cfelipesouza/qgroundcontrol,catch-twenty-two/qgroundcontrol,cfelipesouza/qgroundcontrol,scott-eddy/qgroundcontrol,dagoodma/qgroundcontrol,scott-eddy/qgroundcontrol,CornerOfSkyline/qgroundcontrol,Hunter522/qgroundcontrol,catch-twenty-two/qgroundcontrol,kd0aij/qgroundcontrol,CornerOfSkyline/qgroundcontrol,catch-twenty-two/qgroundcontrol,scott-eddy/qgroundcontrol,dagoodma/qgroundcontrol,mihadyuk/qgroundcontrol,ethz-asl/qgc_asl,dagoodma/qgroundcontrol,kd0aij/qgroundcontrol,dagoodma/qgroundcontrol,remspoor/qgroundcontrol,CornerOfSkyline/qgroundcontrol,dagoodma/qgroundcontrol,mihadyuk/qgroundcontrol,cfelipesouza/qgroundcontrol,Hunter522/qgroundcontrol,RedoXyde/PX4_qGCS,dagoodma/qgroundcontrol,ethz-asl/qgc_asl,Hunter522/qgroundcontrol,remspoor/qgroundcontrol,remspoor/qgroundcontrol,CornerOfSkyline/qgroundcontrol,kd0aij/qgroundcontrol,remspoor/qgroundcontrol,remspoor/qgroundcontrol