fix: modified readonly logic of diff editor

[Ricbet]

Types

• 🐛 Bug Fixes

Background or solution

monaco diff editor 的只读逻辑是根据 modified model 的 readonly 字段决定的，原先这里的逻辑并没有覆盖到

Changelog

修复 diff 视图下 modified model 的只读逻辑不生效的问题

[codecov]

Codecov Report

Base: 57.75% // Head: 57.75% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (6a1c6d9) compared to base (3d84700).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2295   +/-   ##
=======================================
  Coverage   57.75%   57.75%           
=======================================
  Files        1321     1321           
  Lines       83251    83253    +2     
  Branches    17331    17332    +1     
=======================================
+ Hits        48079    48086    +7     
+ Misses      31963    31959    -4     
+ Partials     3209     3208    -1     

Flag	Coverage Δ
jsdom	52.72% <0.00%> (+<0.01%)	⬆️
node	16.84% <0.00%> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
...es/editor/src/browser/editor-collection.service.ts	65.63% <0.00%> (-0.35%)	⬇️
packages/utils/src/buffer.ts	33.72% <0.00%> (+4.06%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.