add fabric version

Author: kmsbernard

React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm

@@ -579,8 +579,9 @@ - (BOOL)_textOf:(NSAttributedString *)newText equals:(NSAttributedString *)oldTe
   // the settings on a dictation.
   // Similarly, when the user is in the middle of inputting some text in Japanese/Chinese, there will be styling on the
   // text that we should disregard. See
-  // https://developer.apple.com/documentation/uikit/uitextinput/1614489-markedtextrange?language=objc for more info. If
-  // the user added an emoji, the system adds a font attribute for the emoji and stores the original font in
+  // https://developer.apple.com/documentation/uikit/uitextinput/1614489-markedtextrange?language=objc for more info.
+  // Also, updating the attributed text while inputting Korean language will break input mechanism.
+  // If the user added an emoji, the system adds a font attribute for the emoji and stores the original font in
   // NSOriginalFont. Lastly, when entering a password, etc., there will be additional styling on the field as the native
   // text view handles showing the last character for a split second.
   __block BOOL fontHasBeenUpdatedBySystem = false;
@@ -595,6 +596,7 @@ - (BOOL)_textOf:(NSAttributedString *)newText equals:(NSAttributedString *)oldTe
 
   BOOL shouldFallbackToBareTextComparison =
       [_backedTextInputView.textInputMode.primaryLanguage isEqualToString:@"dictation"] ||
+      [_backedTextInputView.textInputMode.primaryLanguage isEqualToString:@"ko-KR"] ||
       _backedTextInputView.markedTextRange || _backedTextInputView.isSecureTextEntry || fontHasBeenUpdatedBySystem;
 
   if (shouldFallbackToBareTextComparison) {