findById static method
Finds a StringIdText in the list by its id.
Returns null if not found or if id is null.
Implementation
static StringIdText? findById(List<StringIdText> stringIdTexts, String? id) {
if (id == null) {
return null;
}
for (StringIdText sit in stringIdTexts) {
if (sit.id == id) {
return sit;
}
}
return null;
}