revertField method
Drops the county override of field.
Implementation
@override
void revertField(String field) {
final plat = current;
final key = scope;
if (plat == null || key == null) return;
final ov = plat.selectorOverrides;
final bucket = ov[key];
if (bucket is Map) {
bucket.remove(field);
if (bucket.isEmpty) ov.remove(key);
}
configEdited('selectors');
testField(field);
}