Show user_attrs in pareto front

[tommiekerssies]

Hi, is it possible to show the user_attrs in the box of information you see when you hover over a point in the pareto front?

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[Mrjoeybux]

I'm also interested in this feature.

[Koen1999]

I am also interested in this feature!

I would also make a related suggestion. Currently, we can select user attributes in the Slice plot instead of the optimization objectives. I think it would be nice if we could do the same in the Contour plot.