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Description:
Clear Icon is displayed if value is not selected and even when placeholder is displayed
Sample with datepicker: Gue6iy (forked) - StackBlitz
Same issue occurs with Datetimepicker
Sample with datetimepicker: Errqvg (forked) - StackBlitz

Customer is expecting to show the clear button only if value in the component.
Replication Procedure:
Expected: Clear icon should not visible, if there is no value
Actual: Clear icon is visible, if there is mask placeholder