fillSearchedList method
Implementation
void fillSearchedList(String? value) {
if (value == null || value.isEmpty) searchedItems.value = items;
final tempList = <SearchableDropdownMenuItem<T>>[];
for (final element in items ?? <SearchableDropdownMenuItem<T>>[]) {
if (element.label.containsWithTurkishChars(value!)) tempList.add(element);
}
searchedItems.value = tempList;
}