message: Copied over more search bar methods
diff: #import "RCTFabricComponentsPlugins.h"
  #import <React/RCTI18nUtil.h>
  +#import <React/UIView+React.h>
  using namespace facebook::react;
  @@ -56,6 +57,26 @@ using namespace facebook::react;
  [super updateProps:props oldProps:oldProps];
  }
  +
  +- (void)didMoveToWindow
  +{
  + [super didMoveToWindow];
  + if (@available(iOS 11.0, *)) {
  + [self.reactViewController.navigationItem setSearchController:_searchController];
  + }
  +}
  +
  +- (void)willMoveToSuperview:(nullable UIView *)newSuperview
  +{
  + [super willMoveToSuperview:newSuperview];
  + if (!newSuperview) {
  + if (@available(iOS 11.0, *)) {
  + [self.reactViewController.navigationItem setSearchController:nil];
  + [self.searchController.searchResultsController dismissViewControllerAnimated:NO completion:nil];
  + }
  + }
  +}
  +
  - (void)updateSearchResultsForSearchController:(UISearchController *)searchController {
  _nativeEventCount++;
  std::static_pointer_cast<NVSearchBarEventEmitter const>(_eventEmitter)
  