[gnome-music] (11 commits) Non-fast-forward update to branch wip/mschraal/albumartists-cleanup

[Marinus Schraal <mschraal src gnome org>]

The branch 'wip/mschraal/albumartists-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:

  230afc7... selectiontoolbar: Add items-selected property
  909d56d... selectiontoolbar: Add add-to-playlist signal
  4e6763e... artistalbumswidget: Remove unused argument
  d1b5bcf... disclistboxwidget: DiscBox minor cleanups
  eabba6e... baseview: Set selection-mode prop on state request
  92f68f5... headerbar: Bind selection-mode prop directly to button
  fed88ec... baseview: Connect to class selection-mode property
  81af12e... headerbar: Handle cancel button in class
  54a83b4... albumwidget: Add selection-mode property
  42031f6... disclistboxwidget: Remove selection-toggle signal
  bb885c7... headerbar: Add selection-mode-allowed prop

Commits added to the branch:

  15fe1fa... selectiontoolbar: Add items-selected property
  2041fa2... selectiontoolbar: Add add-to-playlist signal
  0420370... artistalbumswidget: Remove unused argument
  167073f... disclistboxwidget: DiscBox minor cleanups
  d3ac9ca... baseview: Set selection-mode prop on state request
  cc68087... headerbar: Bind selection-mode prop directly to button
  9021be6... baseview: Connect to class selection-mode property
  2f1ca68... headerbar: Handle cancel button in class
  4367c48... albumwidget: Add selection-mode property
  6ec7ef5... disclistboxwidget: Remove selection-toggle signal
  ffa07cc... headerbar: Add selection-mode-allowed prop