saveAndNavigate method
Implementation
void saveAndNavigate() async {
setBusy(true);
// We know name is defined here as the form is valid
print("Setting name to: $name");
await _userSerivce.updateUser(
name: name!, newsLetterSignup: signUpForNewsLetter);
setBusy(false);
_navigationService.navigateTo(Routes.causesOnboardingPage);
}