🐛 Reset inputValue back to null on blur of input (even when the calendar popup is not open)

[balajis-qb]

Closes #5571 & #5514

Problem
As mentioned in the linked tickets, the input value is not removing the invalid value entered by the users on blur of the date input (when the calendar open state is false). Even-though we're not emitting a invalid value onChange, but still the input value is not reset back to the previously entered valid value. This happens only when the calendar popup is open. In this PR, I reset the input value on blur, so that it's value is properly reset with the previously entered valid value.

Changes

• Reset the input value on Blur of the date input

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 97.14%. Comparing base (bb8049c) to head (58f4afc).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5703   +/-   ##
=======================================
  Coverage   97.14%   97.14%           
=======================================
  Files          30       30           
  Lines        3364     3367    +3     
  Branches     1420     1420           
=======================================
+ Hits         3268     3271    +3     
  Misses         94       94           
  Partials        2        2           

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