[Fluent DatePicker] Enhance for month /year selection

[StefanJansson]

Enhancement for selecting a different view, month or year, and a custom DateTimeFormat

Pull Request

📖 Description

FluentDatePicker is missing the possibility to select view like month or year which is available in FluentCalendar.

🎫 Issues

👩‍💻 Reviewer Notes

📑 Test Plan

Create a FluentDatePicker, set view to desired choice of Month or Year. Possibility to add custom DateTimeFormat

✅ Checklist

General

• I have added tests for my changes.
• I have tested my changes.
• I have updated the project documentation to reflect my changes.
• I have read the CONTRIBUTING documentation and followed the standards for this project.

Component-specific

• I have added a new component
• I have added Unit Tests for my new compontent
• I have modified an existing component
• I have validated the Unit Tests for an existing component

⏭ Next Steps

[StefanJansson]

@microsoft-github-policy-service agree

[dvoituron]

Could you add some unit tests (to validate all new features)?

[dvoituron]

Thanks for the updates.
Don't forget to add some Unit Tests.