fix: DatePicker with defaultValue persists time zone (#7069)
* Pass placeholder
* Add tests
* Remove line
* Add line
* Fix lint
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Co-authored-by: Robert Snow <rsnow@adobe.com>
Co-authored-by: GitHub <snowystinger@gmail.com>
Co-authored-by: Yihui Liao <44729383+yihuiliao@users.noreply.github.com>