add ifdef for NSView

Author: Saadnajmi

packages/react-native/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.h

@@ -56,7 +56,11 @@ NS_ASSUME_NONNULL_BEGIN
  * transparent in favour of some subview.
  * Defaults to `self`.
  */
-@property (nonatomic, strong, nullable, readonly) RCTPlatformView *accessibilityElement; // [macOS]
+#if !TARGET_OS_OSX // [macOS]
+@property (nonatomic, strong, nullable, readonly) NSObject *accessibilityElement;
+#else // [macOS
+@property (nonatomic, strong, nullable, readonly) NSView *accessibilityElement;
+#endif // macOS]
 
 /**
  * Insets used when hit testing inside this view.

packages/react-native/React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.mm

@@ -1318,7 +1318,11 @@ - (void)clearExistingBackgroundImageLayers
 
 #pragma mark - Accessibility
 
-- (RCTPlatformView *)accessibilityElement
+#if !TARGET_OS_OSX // [macOS]
+- (NSObject *)accessibilityElement
+#else // [macOS
+- (NSView *)accessibilityElement // macOS]
+#endif // macOS]
 {
   return self;
 }