manually exclude colorbar 'tickvals' and 'ticktext' from array attrs
manually exclude colorbar 'tickvals' and 'ticktext' from array attrs

- as they scale independently of coordinates arrays,
  so shouldn't be filtered nor included in point event data
- do not add a schema field for this now.
  + wait until solution become clearer.

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