message: Created SearchController from view
diff: #import "NVSearchBarView.h"
  #import <UIKit/UIKit.h>
  +#import <React/UIView+React.h>
  @implementation NVSearchBarView
  +{
  + UIViewController *_viewController;
  +}
  - (id)init
  {
  if (self = [super init]) {
  + _viewController = [UIViewController new];
  }
  return self;
  }
  +- (void)insertReactSubview:(UIView *)subview atIndex:(NSInteger)atIndex
  +{
  + [super insertReactSubview:subview atIndex:atIndex];
  + [_viewController.view insertSubview:subview atIndex:0];
  +}
  +
  +- (void)didMoveToWindow
  +{
  + [super didMoveToWindow];
  + UINavigationItem *navigationItem = self.reactViewController.navigationItem;
  + if ([[navigationItem searchController] searchResultsController] == _viewController)
  + return;
  + UISearchController *searchController = [[UISearchController alloc] initWithSearchResultsController:_viewController];
  + [navigationItem setSearchController:searchController];
  + [navigationItem setHidesSearchBarWhenScrolling:NO];
  +}
  +
  +
  @end
  