Switch order of onSelectionChange and onChange events on iOS (#35603)

Summary:
Switched order of onSelectionChange and onChange events on iOS

This was already fixed but for fabric only https://github.com/facebook/react-native/blob/main/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm#L36-L46

This PR is a complementary of 7b48899

Fixes #28865

## Changelog

[IOS] [FIXED] - onSelectionChange() is fired before onChange() on multiline TextInput

Pull Request resolved: #35603

Test Plan:
Reproduce the minimal example provided here #28865
Verify that the events order is onChange then onSelectionChange with no duplicates

Reviewed By: cipolleschi

Differential Revision: D41947673

Pulled By: dmytrorykun

fbshipit-source-id: cf452a6101400b1b54295c83fa7735449d91e781

Libraries/Text/TextInput/RCTBackedTextInputDelegateAdapter.m

@@ -168,6 +168,8 @@ @interface RCTBackedTextViewDelegateAdapter () <UITextViewDelegate>
 
 @implementation RCTBackedTextViewDelegateAdapter {
   __weak UITextView<RCTBackedTextInputViewProtocol> *_backedTextInputView;
+  NSAttributedString *_lastStringStateWasUpdatedWith;
+  BOOL _ignoreNextTextInputCall;
   BOOL _textDidChangeIsComing;
   UITextRange *_previousSelectedTextRange;
 }
@@ -254,12 +256,21 @@ - (BOOL)textView:(__unused UITextView *)textView shouldChangeTextInRange:(NSRang
 
 - (void)textViewDidChange:(__unused UITextView *)textView
 {
+  if (_ignoreNextTextInputCall && [_lastStringStateWasUpdatedWith isEqual:_backedTextInputView.attributedText]) {
+    _ignoreNextTextInputCall = NO;
+    return;
+  }
+  _lastStringStateWasUpdatedWith = _backedTextInputView.attributedText;
   _textDidChangeIsComing = NO;
   [_backedTextInputView.textInputDelegate textInputDidChange];
 }
 
 - (void)textViewDidChangeSelection:(__unused UITextView *)textView
 {
+  if (![_lastStringStateWasUpdatedWith isEqual:_backedTextInputView.attributedText]) {
+    [self textViewDidChange:_backedTextInputView];
+    _ignoreNextTextInputCall = YES;
+  }
   [self textViewProbablyDidChangeSelection];
 }