message: [docs] Fix crash on DatePicker 'Customization' example
  * [docs] Fix DatePicker of 'Customization' section
  The DatePicker of 'Customization' section is broken.
  * Only rename argument
diff: @@ -33,7 +33,7 @@ function WeekPicker(props) {
  const classes = useStyles(props);
  const [selectedDate, handleDateChange] = useState(new Date());
  - const renderWeekPickerDay = (date, selectedDate, DayComponentProps) => {
  + const renderWeekPickerDay = (date, selectedDates, DayComponentProps) => {
  let dateClone = makeJSDateObject(date);
  let selectedDateClone = makeJSDateObject(selectedDate);
  