[libadwaita] (17 commits) ...docs: Fix in-app notification screenshot

[Alexander Mikhaylenko <alexm src gnome org>]

Summary of changes:

  ffc77aa... screenshot: Add options to print a single image or list the (*)
  cba301f... screenshot: Sort images (*)
  e27614a... doc: Mention -i in the tools readme (*)
  4ef27ec... screenshot: Allow widget not to be the root (*)
  521c77f... screenshot: Add a small timeout before taking screenshots (*)
  c9a3769... header-bar: Fix docs example (*)
  b919068... tab-view: Implement GtkBuildable (*)
  7d89d6c... toast-overlay: Allow adding toasts via in GtkBuilder (*)
  eb15ac2... preferences-window: Allow adding toasts with GtkBuilder (*)
  1188f4e... doc: Add widget screenshots (*)
  4900a87... stylesheet: Remove tabbar.inline border (*)
  e498466... stylesheet: Remove searchbar.inline border (*)
  712283a... doc: Add inline tab/search bar screenshots (*)
  c213b59... doc: Refresh status-page.compact screenshot (*)
  fa63d16... doc: Refresh visual index (*)
  d479fc0... doc: Simplify screenshot style classes (*)
  451e468... docs: Fix in-app notification screenshot (*)

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