Handle leave sign tasks

[beetcb]

遗漏请假签到任务：

cea/campusphere/app.js

Line 55 in 50a344b

this.curTask = signQ.datas.unSignedTasks[0]

{
    "code": "0",
    "message": "SUCCESS",
    "datas": {
        "dayInMonth": "2021-05-01",
        "codeRcvdTasks": [],
        "signedTasks": [],
        "unSignedTasks": [],
        "leaveTasks": [
            {
                "stuSignWid": "9444387",
                "signInstanceWid": "30727",
                "signWid": "822443",
                "signRate": "1",
                "taskType": "0",
                "taskName": "本科生每日健康管理及健康打卡",
                "senderUserName": "",
                "signStatus": "5",
                "isMalposition": "0",
                "isLeave": "1",
                "leavePcUrl": null,
                "leaveMobileUrl": null,
                "currentTime": "2021-05-01 10:25",
                "singleTaskBeginTime": null,
                "singleTaskEndTime": null,
                "rateSignDate": "2021-05-01 (周六)",
                "rateTaskBeginTime": "06:00",
                "rateTaskEndTime": "22:30"
            }
        ]
    }
}