use Axes.getPxPosition instead of ax._boundingBox
use Axes.getPxPosition instead of ax._boundingBox

... to position cartesian spike edges. This allows us to not
    have to compute the axis bounding box to render the spikes.

etpinard/plotly.js,plotly/plotly.js,aburato/plotly.js,etpinard/plotly.js,plotly/plotly.js,plotly/plotly.js,plotly/plotly.js,etpinard/plotly.js,aburato/plotly.js