selectChatPopup

fun PickerClient.selectChatPopup(context: Context, params: PickerChatRequestParams, callback: (selectedUsers: SelectedUsers?, selectedChat: SelectedChat?, error: Throwable?) -> Unit)
fun RxPickerClient.selectChatPopup(context: Context, params: PickerChatRequestParams): Single<Pair<SelectedUsers?, SelectedChat?>>

팝업 형태의 채팅방 피커 요청
Requests a chat picker in pop-up view