Attempt to fix macOS tray menu items doing nothing: a bare `cargo run`
binary is not a bundled .app, so macOS does not dispatch NSStatusItem
menu-item target-actions (the menu shows, items enabled, but clicks fire
nothing). Force the app to a Regular, active application at tray creation
via objc2-app-kit setActivationPolicy(.regular) + activate(), and switch
menu handling to MenuEvent::set_event_handler with a diagnostic log.
NOTE: NOT verified at runtime on macOS yet (pending the user's GUI test). If
the menu still does nothing, look for the '[tray] menu item activated' log
line to tell whether the handler fires.
cc
vicrodh
682e735dc2