Feat add to context code action & Fix some code action error

[samhvw8]

Description

refactor: centralize editor utilities and unify command handling

• Create EditorUtils class to centralize shared editor functionality
• Remove duplicated code between CodeActionProvider and command handlers
• Improve command handling to work consistently for both code actions and direct commands
• Add better type safety and error handling for editor operations

feat: add 'Add To Context' code action

• Add new command registration and menu item

• Add new code action type and command ID

• Add support prompt config for adding code to context

• Add message handling in webview for setting chat box content

• Add logic to append selected code to existing chat input

  This pr also fix issues RooCode: Improve Code not referencing file and Text #592

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Checklist:

• My code follows the patterns of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation

Additional context

Related Issues

Reviewers

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Important

Add 'Add To Context' code action and refactor editor utilities for improved command handling and error management.

• Features:
  • Add 'Add To Context' code action in CodeActionProvider and EditorUtils.
  • Register new command roo-cline.addToContext in package.json and extension.ts.
  • Implement message handling for 'Add To Context' in ClineProvider and ChatView.tsx.
• Refactoring:
  • Introduce EditorUtils class to centralize editor-related functions like getEffectiveRange, getFilePath, and createDiagnosticData.
  • Replace direct calls with EditorUtils methods in CodeActionProvider and ClineProvider.
• Enhancements:
  • Improve command handling to support both code actions and direct commands in extension.ts.
  • Add type safety and error handling improvements in EditorUtils and CodeActionProvider.
• Miscellaneous:
  • Update support-prompt.ts to include 'Add To Context' prompt configuration.
  • Minor updates to ExtensionMessage.ts to support new message types.

^{This description was created by for 2e56149. It will automatically update as commits are pushed.}

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Latest commit: 7614048

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