sp3需求，全名长度限制为最长32位

Log: 修改全名长度限制为最长32位
Task: https://pms.uniontech.com/zentao/task-view-34475.html
Change-Id: I86f6b660cd9b87b3712b59e1e6573ede5876f341
Reviewed-on: http://gerrit.uniontech.com/c/dde-control-center/+/2444
Reviewed-by: niecheng <niecheng@uniontech.com>
Reviewed-by: fanpengcheng <fanpengcheng@uniontech.com>
Tested-by: fanpengcheng <fanpengcheng@uniontech.com>