convertArabicNumbers method

Implementation

String convertArabicNumbers() {
  final arabicToWestern = {
    '٠': '0',
    '١': '1',
    '٢': '2',
    '٣': '3',
    '٤': '4',
    '٥': '5',
    '٦': '6',
    '٧': '7',
    '٨': '8',
    '٩': '9',
  };

  return (this ?? '').split('').map((char) => arabicToWestern[char] ?? char).join();
}