It's cached, should be (transfer none).
To avoid loading applications from two different systems, use ShellAppSystem solely. This unifies the initial load and the reload. Extend ShellAppSystem to also load settings/preferences, and ensure they appear in the search.
This is a quick-fix which at least shows entries from nested menus such as Wine. It also enables us to load "settings.menu".
This makes it clearer that really we're now an API, not just a monitor.
