Datepicker not closing on second time when toggling between dropdown

[iRealNirmal]

Bug description:

Steps to reproduce

1. Open datepicker
2. Click on bootstrap dropdown (It will open dropdown and close datepicker - Expected behavior)
3. Click on datepicker (It will close dropdown and open datepicker - Expected behavior)
4. Click on bootstrap dropdown (It will open dropdown and will not close datepicker - Bug here)

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Versions of ngx-bootstrap, Angular, and Bootstrap:

ngx-bootstrap: 6.2.0

Angular: 11.2.13

Bootstrap: 4.6.0

Build system: Angular CLI, System.js, webpack, starter seed:

Expected behavior

On clicking anywhere outside should always close a datepicker