Address PR comments

Author: gabrieldonadel

packages/react-native/React/Base/RCTUtils.mm

@@ -451,11 +451,7 @@ CGSize RCTSwitchSize(void)
   static dispatch_once_t onceToken;
   dispatch_once(&onceToken, ^{
     RCTUnsafeExecuteOnMainQueueSync(^{
-#if !TARGET_OS_OSX // [macOS]
-      rctSwitchSize = [UISwitch new].intrinsicContentSize;
-#else // [macOS
-      rctSwitchSize = [NSSwitch new].intrinsicContentSize;
-#endif // macOS]
+      rctSwitchSize = [RCTPlatformSwitch new].intrinsicContentSize; // [macOS]
     });
   });
   return rctSwitchSize;

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

@@ -2318,9 +2318,7 @@ - (void)transferVisualPropertiesFromView:(RCTPlatformView *)sourceView toView:(R
   // corner
   destinationView.layer.cornerRadius = sourceView.layer.cornerRadius;
   sourceView.layer.cornerRadius = 0;
-#if !TARGET_OS_OSX // [macOS]
   destinationView.layer.cornerCurve = sourceView.layer.cornerCurve;
-#endif // [macOS]
 
   // custom layers
   if (_borderLayer != nullptr) {

packages/react-native/React/RCTUIKit/RCTUIKitCompat.h

@@ -225,11 +225,13 @@ typedef NS_ENUM(NSInteger, UIActivityIndicatorViewStyle) {
 @compatibility_alias RCTPlatformWindow UIWindow;
 @compatibility_alias RCTPlatformViewController UIViewController;
 @compatibility_alias RCTUIApplication UIApplication;
+@compatibility_alias RCTPlatformSwitch UISwitch;
 #else
 @compatibility_alias RCTPlatformApplication NSApplication;
 @compatibility_alias RCTPlatformWindow NSWindow;
 @compatibility_alias RCTPlatformViewController NSViewController;
 @compatibility_alias RCTUIApplication NSApplication;
+@compatibility_alias RCTPlatformSwitch NSSwitch;
 #endif
 
 NS_ASSUME_NONNULL_END