[gnome-characters] (10 commits) Non-fast-forward update to branch bilelmoussaoui/ui-cleanup

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

The branch 'bilelmoussaoui/ui-cleanup' 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:

  fd71b50... window: use HdyApplicationWindow
  55ddbe2... window: split header bars
  8fb2695... sidebar: remove the use of a sub-categories for now
  0312dbb... make use of HdyStatusPage
  3000d2c... sidebar: finish the recent items changes
  b5c5822... split the menu into primary & secondary
  29b6ee9... CI: add libhandy1
  d08bbd6... sidebar: load icons as symbolics

Commits added to the branch:

  554a327... flatpak: add migration
  00a4dc7... window: use HdyApplicationWindow
  6d71fe8... window: split header bars
  9d065c8... sidebar: remove the use of a sub-categories for now
  212298b... make use of HdyStatusPage
  8e429eb... sidebar: finish the recent items changes
  d2b0234... split the menu into primary & secondary
  65894a1... CI: add libhandy1
  5bb0bc7... sidebar: load icons as symbolics
  c1d4822... window: remove pre-specified css classes