formatJalaliDateTime method
ISO date → "1403/1/1 14:05:09" in Jalali.
Implementation
String formatJalaliDateTime() {
final DateTime dateTime = DateTime.parse(this);
final UJalali jalali = UJalali.fromDateTime(dateTime);
return "${jalali.year}/${jalali.month}/${jalali.day} ${dateTime.hour.twoDigits}:${dateTime.minute.twoDigits}:${dateTime.second.twoDigits}";
}