fix: fix ext-host editors error on closing diff editors

[MMhunter]

Types

• 🐛 Bug Fixes

Background or solution

Wrong removed changes were push to extension host after closing diffEditors, causing TextEditor without TextDocument kept in workspace.textEditors.

Changelog

• fixes editor features failing after closing diffEditors.

[codecov-commenter]

Codecov Report

Merging #251 (6b1788b) into main (76976cf) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #251      +/-   ##
==========================================
- Coverage   59.27%   59.26%   -0.01%     
==========================================
  Files        1181     1181              
  Lines       72663    72663              
  Branches    15060    15060              
==========================================
- Hits        43068    43065       -3     
- Misses      26972    26974       +2     
- Partials     2623     2624       +1     

Impacted Files	Coverage Δ
...nsion/src/browser/vscode/api/main.thread.editor.ts	44.83% <ø> (ø)
packages/monaco/src/browser/schema-registry.ts	68.88% <0.00%> (-2.23%)	⬇️
...kages/theme/src/browser/workbench.theme.service.ts	70.32% <0.00%> (-0.90%)	⬇️
...erences/src/browser/preference-settings.service.ts	79.16% <0.00%> (-0.70%)	⬇️
packages/core-common/src/node/port.ts	46.96% <0.00%> (+3.03%)	⬆️

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[hacke2]

LGTM

[Aaaaash]

LGTM