Hover labels in these webgl traces with `marker.color` arrays are always black: ### splom:  https://codepen.io/alexcjohnson/pen/rZMEdO ### gl3d: looks like this one is maybe taking the color of the first point for all points?  https://rreusser.github.io/plotly-mock-viewer/#gl3d_marker-arrays ### scattergl:  https://rreusser.github.io/plotly-mock-viewer/#gl2d_scatter-colorscale-colorbar compare to SVG where the hover label matches each point:  https://rreusser.github.io/plotly-mock-viewer/#scatter-colorscale-colorbar