✨ Add selectionMeta param to the onChangeRaw event call - to give additional details about the selected date

[balajis-qb]

Description

Linked issue: #5701

As mentioned in the linked issue, currently onChangeRaw will just include the corresponding event as the only param. In this PR, I enhanced it a little bit by including the selectionMeta when a day is selected. This includes the selected date object along with the formatted date string. formattedDate contains the formatted version of the selected date.

We're also emitting onChangeRaw when user directly change the date input value with change event, but as it's a change event and not specifically related to any day click, I'm not including the selectionMeta there.

Problem
To include the additional meta of the selected date element.

Changes

• Add selectionMeta as a second optional param - to include additional details about the selected date
• Updated the example of onChangeRaw usage
• Test case update

Screenshots

Contribution checklist

• I have followed the contributing guidelines.
• I have added sufficient test coverage for my changes.
• I have formatted my code with Prettier and checked for linting issues with ESLint for code readability.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.26%. Comparing base (346221d) to head (4f3fba9).
⚠️ Report is 10 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5858   +/-   ##
=======================================
  Coverage   97.26%   97.26%           
=======================================
  Files          30       30           
  Lines        3441     3443    +2     
  Branches     1457     1458    +1     
=======================================
+ Hits         3347     3349    +2     
  Misses         94       94           

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