spikeline: fix bar calculation of spikedistance
spikeline: fix bar calculation of spikedistance

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