应用: 京东
任务: 打开京东，搜索“牙膏”，查看第四个商品，加入购物车
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: 牙膏
step_id: 3
action: CLICK
step_id: 4
action: SWIPE
step_id: 5
action: CLICK