[libadwaita] (3 commits) Non-fast-forward update to branch wip/exalm/expander

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/expander' 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:

  e15fee4... expander-row: Fix focus

Commits added to the branch:

  3da32a3... docs: fix link to property of AdwHeaderBar (*)
  adbf063... combo-row: Fix padding with hidden dropdown arrow (*)
  6cfd3f8... expander-row: Fix focus

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