Prevent retaining overlay RootView in rotation block

lib/ios/RNNControllerFactory.m

 
 - (UIViewController<RNNRootViewProtocol> *)createOverlay:(NSDictionary*)layout {
 	UIViewController<RNNRootViewProtocol> *vc = [self fromTree:layout];
-	RCTRootView* rootView = (RCTRootView*)vc.view;
+	__block RCTRootView* rootView = (RCTRootView*)vc.view;
 	[vc performOnRotation:^{
 		CGSize availableSize = UIApplication.sharedApplication.delegate.window.bounds.size;
-		[_bridge.uiManager setSize:availableSize forView:vc.view];
+		[_bridge.uiManager setSize:availableSize forView:rootView];
 	}];
 	rootView.backgroundColor = [UIColor clearColor];
 	CGSize availableSize = UIApplication.sharedApplication.delegate.window.bounds.size;

lib/ios/RNNRootViewController.m

 -(void)viewDidDisappear:(BOOL)animated {
 	[super viewDidDisappear:animated];
 	[self.eventEmitter sendComponentDidDisappear:self.componentId componentName:self.componentName];
-	_rotationBlock = nil;
 }
 
 - (void)viewDidLoad {