[libadwaita] (8 commits) Non-fast-forward update to branch wip/exalm/demo

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/demo' 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:

  b662246... demo: Better example for non-row pref group children
  2938723... Prefer properties over <child>
  c326e16... doc: Fix indentation in toast-undo.ui
  6c62f31... flap: Show <child> in monospace in docs
  e285224... demo: Stop manually adding GtkViewport

Commits added to the branch:

  537d7d5... Update Russian translation (*)
  09b88f3... Update Portuguese translation (*)
  057a88b... Updated Lithuanian translation (*)
  3f963f5... demo: Better example for non-row pref group children
  357f56a... Prefer properties over <child>
  930eff0... doc: Fix indentation in toast-undo.ui
  4f01e6f... flap: Show <child> in monospace in docs
  af7c3bd... demo: Stop manually adding GtkViewport

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