[refactorDragBoxLayer] CR Part 2
[refactorDragBoxLayer] CR Part 2

RobertoMalatesta/plottable,NextTuesday/plottable,palantir/plottable,danmane/plottable,jacqt/plottable,softwords/plottable,iobeam/plottable,softwords/plottable,NextTuesday/plottable,alyssaq/plottable,iobeam/plottable,softwords/plottable,RobertoMalatesta/plottable,danmane/plottable,palantir/plottable,iobeam/plottable,jacqt/plottable,danmane/plottable,RobertoMalatesta/plottable,alyssaq/plottable,jacqt/plottable,palantir/plottable,NextTuesday/plottable,palantir/plottable,alyssaq/plottable