test: add unit test for editorTree in workbench

[mortalYoung]

简介

• 为 editorTree 组件新增测试用例
• editorTree 组件支持 onToolbarClick 事件
• 优化组件内部逻辑
• 由于 Sidebar 里面的东西挺多的，所以拆分成多个 PR 提交

主要变更

• 新增 onToolbarClick 事件，支持订阅
• 内部逻辑优化，在 Menu 上新增 role 属性方便定位，考虑下一个 PR 把 menu 的 role 属性添加到组件上，而不是每次测试的时候加

[codecov]

Codecov Report

Merging #386 (f1d16dd) into main (3066baa) will increase coverage by 1.38%.
The diff coverage is 87.50%.

@@            Coverage Diff             @@
##             main     #386      +/-   ##
==========================================
+ Coverage   76.72%   78.11%   +1.38%     
==========================================
  Files         176      176              
  Lines        4808     4815       +7     
  Branches     1039     1041       +2     
==========================================
+ Hits         3689     3761      +72     
+ Misses       1111     1046      -65     
  Partials        8        8              

Impacted Files	Coverage Δ
src/model/workbench/explorer/editorTree.ts	80.00% <ø> (ø)
src/controller/explorer/editorTree.tsx	46.34% <50.00%> (+0.18%)	⬆️
...c/services/workbench/explorer/editorTreeService.ts	100.00% <100.00%> (ø)
src/workbench/sidebar/explore/editorTree.tsx	100.00% <100.00%> (+88.00%)	⬆️

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[ProfBramble]

+1