(chore) O3-3701 update openMrsDatepicker props

[kajambiya]

Requirements

• This PR has a title that briefly describes the work done including the ticket number. If there is a ticket, make sure your PR title includes a conventional commit label. See existing PR titles for inspiration.
• My work conforms to the OpenMRS 3.0 Styleguide and design documentation.
• My work includes tests or is validated by existing tests.

Summary

Updates the onChange handler to conform to the changes introduced by this PR

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[NethmiRodrigo]

There are some other functions that need to be updated as well, I'll do a push

[NethmiRodrigo]

Couldn't push to this so I made a separate PR - #358

[gracepotma]

@kajambiya we are so sorry for your experience here with a sudden closure - it turns out the underlying cause was just that Nethmi was under the impression from some discussions on slack that she was supposed to help ASAP, so when she couldn't update the PR directly, she made the separate PR in order to move quickly. Very good intentions - but we discussed this and totally agree that in the future we should let people know so there are no surprise PR closures. Again I'm sorry for this experience Jovan - we plan to keep doing better together 🙏 💐