resolves #1575 - call Fx.hover with evt object containing 'xpx' & 'ypx'
resolves #1575 - call Fx.hover with evt object containing 'xpx' & 'ypx'

- to test main codepath instead of fallback `ax._length`

etpinard/plotly.js,etpinard/plotly.js,asolagmbh/plotly.js,aburato/plotly.js,aburato/plotly.js,plotly/plotly.js,asolagmbh/plotly.js,asolagmbh/plotly.js,iongroup/plotly.js,iongroup/plotly.js,iongroup/plotly.js,plotly/plotly.js,plotly/plotly.js,plotly/plotly.js,etpinard/plotly.js