Fix top bar component layout frame size (#5015)

* Fix top bar component layout frame size

* Update RNNReactView.m

lib/ios/RNNReactView.m

@@ -45,6 +45,10 @@
 		self.sizeFlexibility = RCTRootViewSizeFlexibilityNone;
 	} else {
 		self.sizeFlexibility = RCTRootViewSizeFlexibilityWidthAndHeight;
+		__weak RNNReactView *weakSelf = self;
+		[self setRootViewDidChangeIntrinsicSize:^(CGSize intrinsicSize) {
+			[weakSelf setFrame:CGRectMake(0, 0, intrinsicSize.width, intrinsicSize.height)];
+		}];
 	}
 }
 

lib/ios/RNNViewControllerPresenter.m

@@ -166,22 +166,9 @@
 	if (options.topBar.title.component.name.hasValue) {
 		_customTitleView = (RNNReactView*)[_componentRegistry createComponentIfNotExists:options.topBar.title.component parentComponentId:viewController.layoutInfo.componentId reactViewReadyBlock:readyBlock];
 		_customTitleView.backgroundColor = UIColor.clearColor;
-		
 		NSString* alignment = [options.topBar.title.component.alignment getWithDefaultValue:@""];
 		[_customTitleView setAlignment:alignment];
-		
-		BOOL isCenter = [alignment isEqualToString:@"center"];
-		__weak RNNReactView *weakTitleView = _customTitleView;
-		CGRect frame = viewController.navigationController.navigationBar.bounds;
-		[_customTitleView setFrame:frame];
-		[_customTitleView setRootViewDidChangeIntrinsicSize:^(CGSize intrinsicContentSize) {
-			if (isCenter) {
-				[weakTitleView setFrame:CGRectMake(0, 0, intrinsicContentSize.width, intrinsicContentSize.height)];
-			} else {
-				[weakTitleView setFrame:frame];
-			}
-		}];
-		
+
 		viewController.navigationItem.titleView = _customTitleView;
 	} else {
 		[_customTitleView removeFromSuperview];