scattergl traces return selection's eventData that differs from scatter

[antoinerg]

At the moment, there's a rather big difference in the eventData produced by plotly_selected in scatter and scattergl.

For example, for categorical axes:

• in scatter traces, it looks like { "points": [ { "x": "Asia" }
• in scattergl, it looks like { "points": [ { "x": 2 }

They should both be the same.