优化审计日志的UI + 增加客户端的系统型号

[lanrenwo]

RT，详情如下：
1、默认显示“用户活动日志”选项卡；
2、调整“用户活动日志”的字段显示顺序；

[codecov-commenter]

Codecov Report

Base: 22.70% // Head: 22.73% // Increases project coverage by +0.03% 🎉

Coverage data is based on head (a8b5bb4) compared to base (ff018a7).
Patch coverage: 30.30% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #186      +/-   ##
==========================================
+ Coverage   22.70%   22.73%   +0.03%     
==========================================
  Files          61       61              
  Lines        3674     3686      +12     
==========================================
+ Hits          834      838       +4     
- Misses       2706     2714       +8     
  Partials      134      134              

Impacted Files	Coverage Δ
server/handler/link_auth.go	0.00% <0.00%> (ø)
server/handler/link_tunnel.go	1.34% <0.00%> (-0.02%)	⬇️
server/sessdata/session.go	35.13% <46.66%> (+0.23%)	⬆️
server/dbdata/user_act_log.go	30.00% <100.00%> (+1.79%)	⬆️

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[itviewer]

见 #191