Fillcolor not showing up after clicking on legends from bottom to top #5851

When clicking on the legends from bottom to top and then clicking back the legends from bottom to top the fillcolor disappear
https://codepen.io/wantonio/pen/gOWGJXj

How it starts:

How it ends:

step to reproduce:
1 - click on trace 0, then trace 1, then trace 2 - so the chart is empty now
2 - click on trace 0, then trace 1, then trace 2 - all lines should be visible now but fillcolor is missing