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

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/radii' 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:

  e8ab7b7... stylesheet: Unlink menu radius and margin
  fd45f57... stylesheet: Remove grid view cell styles
  4e68424... stylesheet: Merge flowbox and gridview styles
  5a60e04... stylesheet: Update border radii

Commits added to the branch:

  050aafe... preferences-window: Don't leak the filter model (*)
  3080525... stylesheet: Unlink menu radius and margin
  d1b65ea... stylesheet: Remove grid view cell styles
  a14850f... stylesheet: Merge flowbox and gridview styles
  1e3e63a... stylesheet: Update border radii

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