fix: 16446 fix calendar icon css issue

[NabeelAyubee]

Closes #16446

Calendar icon CSS issue fix when inline props is true
DatePicker story added with inline props true

Changelog

Changed

• Changed flatpickr calendar position to absolute and inset block start to auto

Testing / Reviewing

• Tested in storybook when inline props is set to true. calendar icon is showing correctly

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