fix： 多级联动优化

[skique]

1. 多级联动题重命名为cascader
2. 修复添加题目插入位置计算问题
3. 选中时不显示辅助功能（防止hover上一个时重叠）

[codecov]

Codecov Report

Attention: Patch coverage is 40.00000% with 3 lines in your changes missing coverage. Please review.

Please upload report for BASE (develop@ab328eb). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...c/modules/survey/services/dataStatistic.service.ts	33.33%	2 Missing ⚠️
server/src/modules/survey/utils/index.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             develop     #460   +/-   ##
==========================================
  Coverage           ?   85.86%           
==========================================
  Files              ?      130           
  Lines              ?     3211           
  Branches           ?      417           
==========================================
  Hits               ?     2757           
  Misses             ?      436           
  Partials           ?       18           

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