应用: 微博
任务: 打开微博，搜索“5090”，收藏第一条微博
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: TYPE
type_text: 5090
step_id: 4
action: CLICK
step_id: 5
action: CLICK