Allow multiple name segments after prefix
Allow multiple name segments after prefix

This lets us export D-Bus service files for
names like org.foo.Bar.Application.Tracker.service
when the app-id is org.foo.Bar.

Closes: #2615

Closes: #2616
Approved by: alexlarsson

matthiasclasen/flatpak,flatpak/flatpak,matthiasclasen/flatpak,flatpak/flatpak,flatpak/flatpak,matthiasclasen/flatpak,matthiasclasen/flatpak,matthiasclasen/flatpak,flatpak/flatpak,flatpak/flatpak