【fix】修改backend日志事件解析异常问题

[hanbingleixue]

【修复issue】#1222

【修改内容】
1、修改backend异常信息字段名称以及类型
2、修改异常信息字段的引用的地方，获取新的字段
3、修改前端展示时使用的字段名称

【用例描述】1、不需要修改，不影响原先的功能

【自测情况】1、本地静态检查清理情况；2、自测通过

【影响范围】1、对用户的使用没有影响

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01 ⚠️

Comparison is base (178fb70) 41.66% compared to head (066c5b3) 41.65%.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #1223      +/-   ##
=============================================
- Coverage      41.66%   41.65%   -0.01%     
  Complexity      3200     3200              
=============================================
  Files            811      811              
  Lines          17926    17927       +1     
  Branches        1948     1949       +1     
=============================================
  Hits            7468     7468              
- Misses          9522     9523       +1     
  Partials         936      936              

Flag	Coverage Δ
unittests	41.65% <0.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...va/com/huaweicloud/sermant/core/event/LogInfo.java	0.00% <0.00%> (ø)
...weicloud/sermant/backend/entity/event/LogInfo.java	0.00% <0.00%> (ø)
...t/backend/webhook/dingding/DingDingHookClient.java	0.00% <0.00%> (ø)
...rmant/backend/webhook/feishu/FeiShuHookClient.java	0.00% <0.00%> (ø)

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