legend title not react()ing #4779
Description
In this codepen we see that the legend title isn't going away when it should: https://codepen.io/nicolaskruchten/pen/qBOqZVO?editors=0010
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In this codepen we see that the legend title isn't going away when it should: https://codepen.io/nicolaskruchten/pen/qBOqZVO?editors=0010