Fix #4934: ✅ Fix the broken test case in datepicker_test.test.js

[balajis-qb]

Closes #4934

Pass the default date to the getOnInputKeyDownStuff to avoid switching to the next month view when the current date is in the last row of the current month

• Apply this fix as the render fails to rerender days to the next month view

Contribution checklist

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

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 96.66%. Comparing base (c8c9f6f) to head (6efffd8). Report is 12 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #4935 +/- ## ======================================= Coverage 96.66% 96.66% ======================================= Files 28 28 Lines 3264 3264 Branches 1343 1343 ======================================= Hits 3155 3155 Misses 109 109 ```

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