fix hovertext color, closes #12784180591145
fix hovertext color, closes #12784180591145

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