[Open source] Issue that Exchangis1.0 task loading page displays slowly.

[FinalTarget]

Loading job information is a bit slow at this time, and you can't see the loading interface when you click on it. It's empty, but there is actually information, but the response is slow, so it needs to be optimized to be covered by the loading page before the information is displayed.
job加载job信息这个时候有点慢，并且点开也看不到加载界面，是空的，实际上是有信息，但响应慢，需要优化为信息没显示前有加载页面覆盖

[jefftlin]

https://github.com/WeBankFinTech/Exchangis/pull/282，这个pr解决了