feat: add activate keybinding for explorer and search view

[erha19]

Types

• 🎉 New Features

Background or solution

🤖 Generated by Copilot at 1a01956

• Add keybindings for activating the explorer and search views in the sidebar (link, link)
• Remove redundant keybinding for revealing the current file in the explorer view (link)

为资源管理器和搜索面板添加激活快捷键，需要注意的是，cmd+shift+e 快捷键在 Chrome 默认情况下为保留快捷键，无法生效，需要搭配 https://github.com/opensumi/shortcuts-guard 使用（待适配）

Changelog

🤖 Generated by Copilot at 1a01956

This pull request adds or updates keybindings for activating the explorer and search views in the sidebar, following the conventions of VS Code and other IDEs. It also removes a redundant keybinding for revealing the current file in the explorer view.

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (7e7e61b) 57.63% compared to head (1a01956) 57.63%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2930   +/-   ##
=======================================
  Coverage   57.63%   57.63%           
=======================================
  Files        1337     1337           
  Lines       84130    84130           
  Branches    17483    17483           
=======================================
  Hits        48485    48485           
  Misses      32395    32395           
  Partials     3250     3250           

Flag	Coverage Δ
jsdom	52.64% <ø> (ø)
node	16.80% <ø> (ø)

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