message: fix(Picker): merge issues
diff: @@ -67,7 +67,7 @@ export default createComponent({
  while (cursor && cursor.children) {
  const { children } = cursor;
  - let defaultIndex = cursor.defaultIndex ?? +this.defaultIndex;
  + let defaultIndex = cursor.defaultIndex ?? +props.defaultIndex;
  while (children[defaultIndex] && children[defaultIndex].disabled) {
  if (defaultIndex < children.length - 1) {
  