[gnome-music] (7 commits) Non-fast-forward update to branch wip/mschraal/tracker-change-tracking-fix

[Marinus Schraal <mschraal src gnome org>]

The branch 'wip/mschraal/tracker-change-tracking-fix' 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:

  ed6b934... grltrackerwrapper: Reuse Core{Album,Artist} on change
  7ff523d... coredisc: Remove changed items tracking in CoreDisc

Commits added to the branch:

  247f474... albumwidget: Fix crash on switch back from search (*)
  d1cc29b... window: Add active-view property (*)
  3324f9a... artistview: Avoid initial row activation selection (*)
  b699841... window: Use active_view property in Window (*)
  115713e... window: Cleanup view tracking variables (*)
  e991a62... grltrackerwrapper: Reuse Core{Album,Artist} on change
  be1d457... coredisc: Remove changed items tracking in CoreDisc

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