[libadwaita] (33 commits) Non-fast-forward update to branch wip/exalm/borderless

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/borderless' 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:

  3f115e7... stylesheet: Support arrow menu buttons
  69f2385... Revert "stylesheet: Use darker headerbar for focused window
  270827b... Revert "Revert "stylesheet: Restore a backdrop state for he
  d821550... Revert "Revert "stylesheet: Add back a backdrop state for A
  ac8eb62... Add AdwSplitButton
  997ae61... stylesheet: Brighten accent/destructive_colors in light var
  8b0ab71... stylesheet: Remove redundant undecorated button rules
  3f1a56b... stylesheet: Support GtkScaleButtons with .linked
  7f384ba... stylesheet: Specificity bump for view switcher buttons
  5885059... stylesheet: Make buttons bold
  494a09a... stylesheet: Revert the linked style back
  6bb54bb... stylesheet: Use 6px padding and spacing for toolbars
  42f084b... stylesheet: Use toolbar style for header bars and action ba
  a272942... stylesheet: Make GtkWindowControls buttons filled
  9f9ad5a... stylesheet: Make image buttons square
  005c501... example

Commits added to the branch:

  a9e2ce8... Add Chinese (China) translation (*)
  caa50b5... stylesheet: Support arrow menu buttons (*)
  6fe35c2... Make all set/get_icon_name functions nullable (*)
  6929ede... Unify get/set of most strings to none-nullable (*)
  ea7ef0f... Add AdwViewStack (*)
  fe3e9b5... view-stack: Add the badge-number property (*)
  3245be8... view-switcher: Use AdwViewStack instead of GtkStack (*)
  de2786c... indicator-bin: Rename show-indicator to needs-attention (*)
  f5e843e... view-switcher-button: Move indicator to icon for wide mode (*)
  a33a026... indicator-bin: Add badges (*)
  d8fd40e... indicator-bin: Remove the contained property (*)
  9885abd... view-switcher: Support unread badges (*)
  3063e2b... view-switcher-button: Stop removing needs-attention when ac (*)
  eaa6621... doc: Mention Adw.ViewStack in migration guide (*)
  6840305... demo: Add a badge example (*)
  27e82dd... doc: Make API changes brought by AdwViewStack more explicit (*)
  4119428... view-stack: Make transition_duration a macro (*)
  f26b99f... view-stack: Better describe the widget (*)
  c3c2b6d... Add missing periods to short class descriptions (*)
  067d983... stylesheet: Brighten accent/destructive_colors in light var (*)
  5d1fd3a... stylesheet: Remove redundant undecorated button rules (*)
  4eda2ec... stylesheet: Specificity bump for view switcher buttons (*)
  a9bc9d2... stylesheet: Make buttons bold (*)
  818b565... stylesheet: Revert the linked style back (*)
  3aa34fe... stylesheet: Use 6px padding and spacing for toolbars (*)
  4d727cb... Revert "stylesheet: Use darker headerbar for focused window
  ccbd7e6... Revert "Revert "stylesheet: Restore a backdrop state for he
  fea7f5c... Revert "Revert "stylesheet: Add back a backdrop state for A
  72a4bab... Add AdwSplitButton
  16f22bd... stylesheet: Use toolbar style for header bars and action ba
  de3c4db... stylesheet: Make GtkWindowControls buttons filled
  2bc4dc4... stylesheet: Make image buttons square
  905c9f8... example

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