addressSearch 메서드 호출시 동기화 옵션

아래 답변들을 참고해보세요.

https://devtalk.kakao.com/t/ps-categorysearch-for-result/58454/3

https://devtalk.kakao.com/t/topic/55564/6

https://devtalk.kakao.com/t/topic/54670/2