chore: fix warnings and remove some useless code

[erha19]

Types

• 🧹 Chores

Background or solution

🤖 Generated by Copilot at ada6a20

• Remove unused imports and parameters from RecycleList.tsx and RecycleTree.tsx (link, link, link, link)
• Memoize setSize function in RecycleTree class with useMemo to improve performance and avoid unnecessary re-renders (link)
• Delete commented out code that could cause performance issues in RecycleTree.tsx (link)
• Add index to key prop of Extension component to prevent key conflicts in vsx-extension.view.tsx (link, link)
• Add explicit type annotation for e parameter of map callback in vsx-extension.view.tsx to improve type safety and readability (link, link)

Changelog

🤖 Generated by Copilot at ada6a20

This pull request enhances the performance and readability of some components in the components and extension-manager packages. It removes unused or redundant code, memoizes a function, and fixes a prop issue.

[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -0.01 ⚠️

Comparison is base (4033de3) 57.69% compared to head (ada6a20) 57.68%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2795      +/-   ##
==========================================
- Coverage   57.69%   57.68%   -0.01%     
==========================================
  Files        1336     1336              
  Lines       83866    83866              
  Branches    17432    17432              
==========================================
- Hits        48388    48380       -8     
- Misses      32248    32254       +6     
- Partials     3230     3232       +2     

Flag	Coverage Δ
jsdom	52.70% <ø> (-0.01%)	⬇️
node	16.79% <ø> (ø)

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

Impacted Files	Coverage Δ
...omponents/src/recycle-tree/TreeNodeRendererWrap.ts	28.57% <ø> (ø)

... and 1 file with indirect coverage changes

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