Fix onChangeText not firing when clearing the value of TextInput with…

… multiline=true on iOS (#37958)

Summary:
This fix fixes the TextInput issue in #37784 with onChangeText not working on iOS only.

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[IOS] [FIXED] - Fix onChangeText not firing when clearing the value of TextInput with multiline=true on iOS

Pull Request resolved: #37958

Test Plan:
1. Run the repro code given in the issue (#37784).
2. Verified that onChangeText works after pressing the submit button.
3. Run the repro code from the issue (#36494) that caused this issue.
4. Verified that issue (#36494) is not reoccurring.

Reviewed By: rshest

Differential Revision: D47185775

Pulled By: dmytrorykun

fbshipit-source-id: 1a1a6534d6bf8b5bb8cf1090734dd894bab43f82

packages/react-native/Libraries/Text/TextInput/RCTBackedTextInputDelegateAdapter.m

@@ -256,7 +256,7 @@ - (BOOL)textView:(__unused UITextView *)textView shouldChangeTextInRange:(NSRang
 
 - (void)textViewDidChange:(__unused UITextView *)textView
 {
-  if (_ignoreNextTextInputCall) {
+  if (_ignoreNextTextInputCall && [_lastStringStateWasUpdatedWith isEqual:_backedTextInputView.attributedText]) {
     _ignoreNextTextInputCall = NO;
     return;
   }