[gnome-music] (6 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:

  be9727b... baseview: Set selection-mode prop on state request
  0f65b77... headerbar: Bind selection-mode prop directly to button
  16d2c97... baseview: Connect to class selection-mode property
  2215459... headerbar: Handle cancel button in class

Commits added to the branch:

  ce01216... baseview: Set selection-mode prop on state request
  bd5b7d6... headerbar: Bind selection-mode prop directly to button
  8e10221... baseview: Connect to class selection-mode property
  61b1d7f... headerbar: Handle cancel button in class
  818b8d3... albumwidget: Add selection-mode property
  bc748d8... headerbar: Add selection-mode-allowed prop