[gnome-software] (6 commits) ...Merge branch '1268-appstream-urls-not-properly-supported' into 'main'

[Philip Withnall <pwithnall src gnome org>]

Summary of changes:

  1fee595... gs-details-page: Match unknown bundle-kind/scope when check (*)
  7aa568e... gs-details-page: Make sure an alternative is always selecte (*)
  6808f6a... snap: Handle also appstream:// URL-s in url-to-app (*)
  056eb93... gs-appstream: Expose url-to-app function as a library funct (*)
  3350985... flatpak: Implement gs_plugin_url_to_app() (*)
  a5d4bf8... Merge branch '1268-appstream-urls-not-properly-supported' i

(*) This commit already existed in another branch; no separate mail sent