The PR changes the return type of DateTimePickerI18n methods from void to DateTimePickerI18n to allow them to be chained, same as i18n methods in other components.
[!WARNING]
It's marked as a behavior-altering change because there is a slight chance it could affect some custom extensions of DateTimePicker.
Description
The PR changes the return type of DateTimePickerI18n methods from
void
toDateTimePickerI18n
to allow them to be chained, same as i18n methods in other components.Part of #4618
Type of change