- Implement applyDiffToCode function for code editing
- Add getCodeEditorPath to locate platform-specific binaries
- Integrate new functionality with existing diff display system
- Removed redundant getFileContent function from diffHandler
- Centralized getFileContent into commonUtil for shared usage
- Adjusted imports in devchat to reflect the new location
- Added new LSP functions for symbol conversion and execution provider command
- Updated diffHandler to handle webviewPanel or webviewView for code application
- Modified lsp.ts file to incorporate new functions for range conversions
Closes#1234
