[gnome-music] (10 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:

  f0c3db3... selectiontoolbar: Add add-to-playlist signal
  0702289... artistalbumswidget: Remove unused argument
  c138b2f... disclistboxwidget: DiscBox minor cleanups
  290a69b... baseview: Set selection-mode prop on state request
  a8ae1da... headerbar: Bind selection-mode prop directly to button
  aac3162... baseview: Connect to class selection-mode property
  5cb8e57... headerbar: Handle cancel button in class
  c15c5aa... albumwidget: Add selection-mode property
  0cd1de5... disclistboxwidget: Remove selection-toggle signal
  90a0e07... headerbar: Add selection-mode-allowed prop

Commits added to the branch:

  adbc3ab... selectiontoolbar: Add add-to-playlist signal
  d6e82de... artistalbumswidget: Remove unused argument
  dc34129... disclistboxwidget: DiscBox minor cleanups
  0924388... baseview: Set selection-mode prop on state request
  6456eee... headerbar: Bind selection-mode prop directly to button
  5c1c512... baseview: Connect to class selection-mode property
  e5ad6cc... headerbar: Handle cancel button in class
  8903fbc... albumwidget: Add selection-mode property
  8dbbfcb... disclistboxwidget: Remove selection-toggle signal
  7c9674f... headerbar: Add selection-mode-allowed prop