[libadwaita] (5 commits) Non-fast-forward update to branch wip/exalm/leaflet-shadow

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/leaflet-shadow' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  876d591... stylesheet: Remove border from the leaflet/flap transition
  684a9ca... leaflet: Clip the over child during transition too

Commits added to the branch:

  0b7172a... split-button: avoid state changes during dispose (*)
  80a250b... demo: Stop advertising .large-title (*)
  0de8f04... doc: Deprecate .large-title (*)
  ee5a221... stylesheet: Remove border from the leaflet/flap transition
  6165020... leaflet: Clip the over child during transition too

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