feat: add editor top side bar support

[MilkWangStudio]

Types

• 🎉 New Features
• 🐛 Bug Fixes
• 📚 Documentation Changes
• 💄 Code Style Changes
• 💄 Style Changes
• 🪚 Refactors
• 🚀 Performance Improvements
• 🏗️ Build System
• ⏱ Tests
• 🧹 Chores
• Other Changes

Background or solution

🤖 Generated by Copilot at 3d21ef2

• Add support for top side widgets in the editor (link, link, link, link, link)

• Extend the EditorSide type to include 'top' as a valid value (link)
• Update the registerEditorSideWidget method comment to reflect the new option (link)
• Add a new property top to the EditorComponentRegistryImpl class to store the registered widgets (link)
• Add a new CSS class .kt_editor_side_widgets_top to style the top widgets (link)
• Add a new JSX element <EditorSideView> to the EditorGroupBody component to render the top widgets for the current resource (link)

• Add an example top widget component to the startup package (link, link, link)
  • Define a new React component ExampleEditorTopWidget in the editor-top-example.tsx file that displays the file URI (link)
  • Import the component to the startup.contribution.ts file (link)
  • Register the component as a top side widget for file resources in the registerEditorComponents method (link)
  • Add the side property to the existing registration of the ExampleEditorBottomWidget component (link)

Changelog

🤖 Generated by Copilot at 3d21ef2

This pull request adds a new feature to the editor that allows displaying custom widgets on the top side of the editor area. It implements an example widget that shows the file URI of the current resource, and updates the existing bottom widget registration to use the new EditorSide type.

[CLAassistant]

All committers have signed the CLA.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (a120d5e) 57.62% compared to head (10240cb) 57.62%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3026   +/-   ##
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  Coverage   57.62%   57.62%           
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  Files        1339     1339           
  Lines       84290    84290           
  Branches    17518    17518           
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  Hits        48575    48575           
  Misses      32459    32459           
  Partials     3256     3256           

Flag	Coverage Δ
jsdom	52.64% <ø> (ø)
node	16.78% <ø> (ø)

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Files Changed	Coverage Δ
packages/editor/src/browser/component.ts	87.37% <ø> (ø)
packages/editor/src/browser/types.ts	100.00% <ø> (ø)

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[erha19]

@MilkWangStudio 感谢提交，稍晚我验证一下功能 ~

[erha19]

LGTM