Improve the native titlebar on MacOS

[AWH1122]

It would be a lot nicer if the native title bar looked a lot more like how vscode does it on MacOS:

Rather than what it currently looks like:

It would also be nice if the standard MacOS menu bar sections that are present for almost all native apps would be present. This includes but isn't limited to, the Window section, and the Edit section. For example, the Window section typically has the following OS-provided entries:

There are also things like having a search bar in the Help menu section to find menu entries, moving app info, and check for updates under the app name entry, etc.