Named constructor token color is broken with LSP

[robertpiosik]

Describe the bug
Named constructor's token color is broken with LSP.

To Reproduce
Use the default theme, enable LSP.

Expected behavior
Named constructor's token should be painted with a color of a method.

Screenshots
LSP:

Without LSP:

With LSP:

Without LSP:

Here is how GitHub colours these tokens:

@freezed
abstract class NoteFormEvent with _$NoteFormEvent {
  const factory NoteFormEvent.initialized(Option<Note> initialNoteOption) =
      _Initialized;
  const factory NoteFormEvent.bodyChanged(String bodyStr) = _BodyChanged;
  const factory NoteFormEvent.colorChanged(Color color) = _ColorChanged;
  const factory NoteFormEvent.todosChanged(KtList<TodoItemPrimitive> todos) =
      _TodosChanged;
  const factory NoteFormEvent.saved() = _Saved;
}

@injectable
class AuthBloc extends Bloc<AuthEvent, AuthState> {
  final IAuthFacade _authFacade;

  AuthBloc(
    this._authFacade,
  ) : super(const AuthState.initial());

  @override
  Stream<AuthState> mapEventToState(
    AuthEvent event,
  ) async* {
    yield* event.map(
      authCheckRequested: (e) async* {
        final userOption = _authFacade.getSignedUser();
        yield userOption.fold(
          () => const AuthState.unauthenticated(),
          (_) => const AuthState.authenticated(),
        );
      },
      signedOut: (e) async* {
        await _authFacade.signOut();
        yield const AuthState.unauthenticated();
      },
    );
  }
}

Versions (please complete the following information):

• VS Code version: 1.56.2 (Universal)
• Dart extension version: 3.22.0
• Dart/Flutter SDK version: 2.13.0 (stable)

[DanTup]

I've got a fix for review at https://dart-review.googlesource.com/c/sdk/+/201831/ that will map constructor names like methods instead of classes:

They're also tagged with a custom modifier (constructor) to allow customising them different to standard methods if desired.

[DanTup]

Fixed by dart-lang/sdk@10b83a4. Since the change is in the server, it will show up in a future SDK release rather than a Dart-Code release.