🎨♿ Fix the color of the keyboard selected date that's also mouse hovered

- Reset the color to white for accessibility reason

Author: balajis-qb

src/stylesheets/datepicker.scss

@@ -506,6 +506,7 @@ h2.react-datepicker__current-month {
         $datepicker__selected-color,
         $lightness: -5%
       );
+      color: #fff;
     }
   }