apply react native patch for facebook/react-native#46973

Author: hannojg

patches/react-native+0.75.2+018.patch

@@ -0,0 +1,50 @@
+diff --git a/node_modules/react-native/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm b/node_modules/react-native/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm
+index db7cba4..1b54a43 100644
+--- a/node_modules/react-native/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm
++++ b/node_modules/react-native/React/Fabric/Mounting/ComponentViews/TextInput/RCTTextInputComponentView.mm
+@@ -479,8 +479,7 @@ - (void)setTextAndSelection:(NSInteger)eventCount
+   if (value && ![value isEqualToString:_backedTextInputView.attributedText.string]) {
+     NSAttributedString *attributedString =
+         [[NSAttributedString alloc] initWithString:value attributes:_backedTextInputView.defaultTextAttributes];
+-    [self _setAttributedString:attributedString];
+-    [self _updateState];
++    [self _updateStateWithString:attributedString];
+   }
+ 
+   UITextPosition *startPosition = [_backedTextInputView positionFromPosition:_backedTextInputView.beginningOfDocument
+@@ -490,6 +489,7 @@ - (void)setTextAndSelection:(NSInteger)eventCount
+ 
+   if (startPosition && endPosition) {
+     UITextRange *range = [_backedTextInputView textRangeFromPosition:startPosition toPosition:endPosition];
++    // _updateStateWithString executes any state updates sync, so its safe to update the selection as the attributedString is already updated!
+     [_backedTextInputView setSelectedTextRange:range notifyDelegate:NO];
+   }
+   _comingFromJS = NO;
+@@ -611,17 +611,27 @@ - (void)handleInputAccessoryDoneButton
+ }
+ 
+ - (void)_updateState
++{
++    NSAttributedString *attributedString = _backedTextInputView.attributedText;
++    [self _updateStateWithString:attributedString];
++}
++
++- (void)_updateStateWithString:(NSAttributedString*)attributedString
+ {
+   if (!_state) {
+     return;
+   }
+-  NSAttributedString *attributedString = _backedTextInputView.attributedText;
+   auto data = _state->getData();
+   _lastStringStateWasUpdatedWith = attributedString;
+   data.attributedStringBox = RCTAttributedStringBoxFromNSAttributedString(attributedString);
+   _mostRecentEventCount += _comingFromJS ? 0 : 1;
+   data.mostRecentEventCount = _mostRecentEventCount;
+-  _state->updateState(std::move(data));
++  const auto &textInputEventEmitter = static_cast<const TextInputEventEmitter &>(*_eventEmitter);
++  // When the textInputDidChange gets called, the text is already updated
++  // in the UI. We execute the state update synchronously so that the layout gets calculated immediately.
++  textInputEventEmitter.experimental_flushSync([state = _state, data = std::move(data)]() mutable {
++    state->updateState(std::move(data));
++  });
+ }