message: Changed format
  Clearer to keep it how it was and move the search bar towards the bottom, after basic navigation bar styling
diff: - (void)viewWillAppear:(BOOL)animated
  {
  [super viewWillAppear:animated];
  - NVNavigationBarView *navigationBar = (NVNavigationBarView *) [self.view viewWithTag:NAVIGATION_BAR];
  - NVSearchBarView *searchBar = (NVSearchBarView *) [navigationBar viewWithTag:SEARCH_BAR];
  - self.definesPresentationContext = true;
  - if (!!searchBar && !navigationBar.hidden)
  - {
  - if (@available(iOS 11.0, *)) {
  - [self.navigationItem setSearchController:searchBar.searchController];
  - [self.navigationItem setHidesSearchBarWhenScrolling:searchBar.hideWhenScrolling];
  - }
  - }
  NSInteger crumb = [self.navigationController.viewControllers indexOfObject:self];
  UIViewController *previousController = crumb > 0 ? [self.navigationController.viewControllers objectAtIndex:crumb - 1] : nil;
  + NVNavigationBarView *navigationBar = (NVNavigationBarView *) [self.view viewWithTag:NAVIGATION_BAR];
  BOOL hidden = navigationBar.hidden;
  if (@available(iOS 13.0, *)) {
  } else {
  self.navigationController.navigationBar.prefersLargeTitles = true;
  [self.navigationItem setLargeTitleDisplayMode:navigationBar.largeTitle ? UINavigationItemLargeTitleDisplayModeAlways : UINavigationItemLargeTitleDisplayModeNever];
  }
  + NVSearchBarView *searchBar = (NVSearchBarView *) [navigationBar viewWithTag:SEARCH_BAR];
  + self.definesPresentationContext = true;
  + if (!!searchBar && !navigationBar.hidden)
  + {
  + if (@available(iOS 11.0, *)) {
  + [self.navigationItem setSearchController:searchBar.searchController];
  + [self.navigationItem setHidesSearchBarWhenScrolling:searchBar.hideWhenScrolling];
  + }
  + }
  NVStatusBarView *statusBar = [navigationBar viewWithTag:STATUS_BAR];
  self.statusBarStyle = statusBar.tintStyle;
  self.statusBarHidden = statusBar.hidden;
  