hoverlabel.namelength widget

[nicolaskruchten]

Let's add a new widget under hoverinfo/hovertemplate that targets namelength. It should be a 3-way pill with options "clip" (leading to a numeric) / "no clip" (== -1) / "hide" (== 0)

[nicolaskruchten]

the 0 case works as of 1.47.0