With your example of a nested list, VSCode will correctly display line-wrapped inner items at the same indentation level.
Will it do this for Markdown inside of comments in C/C++/Rust code?
How does it even know you're using Markdown in comments as opposed to something else?
(I'll have to trust your answers since I don't have a Windows machine, let alone a Visual Studio license)
You don't need a Windows machine or Visual Studio license to use VS Code, which is both cross-platform and free.