Date range startDate and endDate are null but all dates are highlighted with the selected date color

[keshava15]

Subject of the issue

Describe your issue here.
Date range startDate and endDate are null but all dates are highlighted with the selected date color
This is a bit confusing to users all dates are in the selected color but my start and dates are null
const [state, setState] = useState([ { startDate: null, endDate: null, key: 'due', } ]);

[BUG] Bug Reproduce Steps

When start and end date are null
Tell us how to reproduce this issue.

[BUG] Expected behavior

If dates are not yet selected no need to highlight all dates

Environment

Package Version:
React version:
Node version:

Browser:

[stephaned-ev]

Same problem here. I don't understand if this is a bug or if I misunderstanding how to set up an empty selection?

Edit:
Similar issue here