feat:用例支持按作者进行筛选的操作

[caofengbin]

Whether this PR is eventually merged or not, Sonic will thank you very much for your contribution.

无论此PR最终是否合并，Sonic组织都非常感谢您的贡献。

Checklist

• The title starts with fix, fea, or doc. | 标题为fix、feat或doc开头。
• I have checked that there are no duplicate pull requests with this request. | 我已检查没有与此请求重复的拉取请求。
• I have considered and confirmed that this submission is valuable to others. | 我已经考虑过，并确认这份呈件对其他人很有价值。
• I accept that this submission may not be used. | 我接受此提交可能不会被使用。

Description

前端UI配套提交

接口做两个修改：
1.增加一个接口，用于获取当前项目指定平台下，所有的用例作者列表
2.用例筛选接口，去掉之前的按设计人排序，改为按设计人筛选

[ZhouYixun]

mg