Simplify fix to just set clipsToBounds in initWithFrame on macOS

Co-authored-by: Saadnajmi <[email protected]>

Author: Copilot

packages/react-native/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm

@@ -114,11 +114,7 @@ - (instancetype)initWithFrame:(CGRect)frame
     _originalTypingAttributes = [_backedTextInputView.typingAttributes copy];
 
 #if TARGET_OS_OSX // [macOS
-    // Ensure the backing text view doesn't interfere with border rendering
-    // by making sure it doesn't draw outside its bounds
-    if (_backedTextInputView.layer) {
-      _backedTextInputView.layer.masksToBounds = YES;
-    }
+    [self setClipsToBounds:YES];
 #endif // macOS]
 
     [self addSubview:_backedTextInputView];
@@ -421,24 +417,6 @@ - (void)updateLayoutMetrics:(const LayoutMetrics &)layoutMetrics
 {
   CGSize previousContentSize = _backedTextInputView.contentSize;
 
-#if TARGET_OS_OSX // [macOS
-  // On macOS, ensure proper border rendering by enabling clip to bounds
-  // when borders are present. This forces Core Animation border rendering
-  // which displays correctly with the native text field subview.
-  const auto &props = static_cast<const TextInputProps &>(*_props);
-  const auto borderMetrics = props.resolveBorderMetrics(layoutMetrics);
-  BOOL hasBorder = borderMetrics.borderWidths.left > 0 || borderMetrics.borderWidths.right > 0 ||
-      borderMetrics.borderWidths.top > 0 || borderMetrics.borderWidths.bottom > 0;
-  if (hasBorder) {
-    // Note: Setting clipsToBounds ensures Core Animation border rendering is used,
-    // which properly displays with the native text field subview on macOS
-    self.clipsToBounds = YES;
-  } else {
-    // Reset clipsToBounds when no borders are present
-    self.clipsToBounds = NO;
-  }
-#endif // macOS]
-
   [super updateLayoutMetrics:layoutMetrics oldLayoutMetrics:oldLayoutMetrics];
 
 #if TARGET_OS_OSX // [macOS
@@ -465,10 +443,6 @@ - (void)prepareForRecycle
   _ignoreNextTextInputCall = NO;
   _didMoveToWindow = NO;
   [_backedTextInputView resignFirstResponder];
-#if TARGET_OS_OSX // [macOS
-  // Reset clipsToBounds to prevent state leakage in recycled components
-  self.clipsToBounds = NO;
-#endif // macOS]
 }
 
 #pragma mark - RCTBackedTextInputDelegate