[Bug] - Form - Selected date range picker value is undefined on form submit

[srivalli-sivaramasankaran]

Component
Form

Describe the bug
When user selects the date range and clicks submit, the date value is undefined in the data. Date range variant value is not handled in form, whereas it works fine for single datepicker variant.

To Reproduce
Steps to reproduce the current behavior:

1. https://moonlit-rabanadas-0f0022.netlify.app/components/core/form/#demo-dynamic-form
2. Select the date range and click Sumit.
3. Check the console for the submitted data.
4. The date value will be undefined. PFB the screenshots for reference.

Expected behavior
Selected date range value should be in the payload.

Screenshots

Netlify link to test the bug
https://moonlit-rabanadas-0f0022.netlify.app/components/core/form/#demo-dynamic-form