fix: wrong selection coordinates on focus (iOS 16+)

Author: kirillzyusko

ios/observers/FocusedInputObserver.swift

@@ -142,7 +142,18 @@ public class FocusedInputObserver: NSObject {
     setupObservers()
     // dispatch onSelectionChange on focus
     if let textInput = responder as? UITextInput {
-      updateSelectionPosition(textInput: textInput, sendEvent: onSelectionChange)
+      if #available(iOS 16.0, *),
+         let textView = textInput as? UITextView,
+         textView.textLayoutManager != nil
+      {
+        // Using TextKit 2: layout may not be ready, so defer
+        DispatchQueue.main.async {
+          updateSelectionPosition(textInput: textInput, sendEvent: self.onSelectionChange)
+        }
+      } else {
+        // TextKit 1 (or pre-iOS 16): coords are ready synchronously
+        updateSelectionPosition(textInput: textInput, sendEvent: onSelectionChange)
+      }
     }
 
     syncUpLayout()