chore: add changes from comments

Author: maciekstosio

ios/RNSScreenStack.mm

@@ -77,13 +77,14 @@ - (void)viewDidLayoutSubviews
     RNSScreen *screenController = (RNSScreen *)self.topViewController;
     BOOL isNotDismissingModal = screenController.presentedViewController == nil ||
         (screenController.presentedViewController != nil &&
-         ![screenController.presentedViewController isBeingDismissed]) ||
+         ![screenController.presentedViewController isBeingDismissed]);
+    BOOL isPresentingSearchController =
         ([screenController.presentedViewController isKindOfClass:[UISearchController class]]);
 
     // Calculate header height during simple transition from one screen to another.
     // If RNSScreen includes a navigation controller of type RNSNavigationController, it should not calculate
     // header height, as it could have nested stack.
-    if (![screenController hasNestedStack] && isNotDismissingModal) {
+    if (![screenController hasNestedStack] && (isPresentingSearchController || isNotDismissingModal)) {
       [screenController calculateAndNotifyHeaderHeightChangeIsModal:NO];
     }