feat(read-file): record read scope and report clipping separately (U4, #1375) - #1913

This extension consists of 2270 files, out of which 550 are JavaScript files. For performance reasons, you should bundle your extension: https://aka.ms/vscode-bundle-extension. You should also exclude unnecessary files by adding them to your .vscodeignore: https://aka.ms/vscode-vscodeignore.