refactor(draggable): switch to callback refs
refactor(draggable): switch to callback refs

rgbkrk/nteract,jdetle/nteract,0u812/nteract,jdetle/nteract,jdfreder/nteract,rgbkrk/nteract,temogen/nteract,temogen/nteract,nteract/nteract,captainsafia/nteract,nteract/composition,nteract/nteract,nteract/composition,nteract/composition,jdfreder/nteract,rgbkrk/nteract,jdetle/nteract,nteract/nteract,jdfreder/nteract,jdetle/nteract,rgbkrk/nteract,temogen/nteract,captainsafia/nteract,jdfreder/nteract,0u812/nteract,captainsafia/nteract,0u812/nteract,0u812/nteract,rgbkrk/nteract,nteract/nteract,nteract/nteract,captainsafia/nteract