fix(js/liyuan/Onload2): 在分享课程预览场景下先关闭学习详情页

在判断到是分享的预览课程场景时，先调用关闭学习详情页的方法，再打开对应课程

js/liyuan/Onload2.js

@@ -1222,6 +1222,7 @@ function loginSet(userInfo, res){
     let shareCourseId = U.UF.C.queryString("shareCourseId", _hashSearch);
     let _shareType = U.UF.C.queryString("type", _hashSearch);
     if (shareCourseId && _shareType === "prievew") {
+        U.UF.F.closeWindow("#studyDetail")
         console.log(shareCourseId);
         U.MD.D.I.openInApplication("studyDetailNo", shareCourseId, 5, 1)
     }else if(shareCourseId){