fix: diff editor display error model content

[bytemain]

Types

• 🐛 Bug Fixes

Background or solution

这行代码会导致 diff 状态下，git 插件读取的数据不是最新的本地文件，因为它会命中缓存，不会去获取 provideEditorDocumentModelContent 了

原因是之前为了缓存 diff 编辑器的状态，每次不会 dispose 这个 editor ref，下次进来就命中缓存。

monaco saveState 和 restoreState 都没保存已经展开的那些数据，感觉只能先搁置 restore 这个状态了，先把 bug 修复吧

Changelog

fix diff editor cannot should latest file content

[codecov]

Codecov Report

Attention: Patch coverage is 53.84615% with 6 lines in your changes missing coverage. Please review.

Project coverage is 55.33%. Comparing base (c57c7ea) to head (8e224e6).

Files	Patch %	Lines
...ges/editor/src/browser/workbench-editor.service.ts	63.63%	3 Missing and 1 partial ⚠️
...es/editor/src/browser/editor-collection.service.ts	0.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             v3.1    #3792   +/-   ##
=======================================
  Coverage   55.32%   55.33%           
=======================================
  Files        1540     1540           
  Lines       93895    93894    -1     
  Branches    19283    19284    +1     
=======================================
+ Hits        51952    51957    +5     
+ Misses      34800    34793    -7     
- Partials     7143     7144    +1     

Flag	Coverage Δ
jsdom	50.80% <53.84%> (+<0.01%)	⬆️
node	15.55% <0.00%> (+<0.01%)	⬆️

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