goToStep method
Jump to a specific step by index
Implementation
void goToStep(int stepIndex) {
  final actions = NavigationHubStateActions(navigationHubState);
  actions.currentTabIndex(stepIndex);
}Jump to a specific step by index
void goToStep(int stepIndex) {
  final actions = NavigationHubStateActions(navigationHubState);
  actions.currentTabIndex(stepIndex);
}