[gnome-music] (16 commits) Non-fast-forward update to branch wip/mschraal/view-styling-fixes

[Marinus Schraal <mschraal src gnome org>]

The branch 'wip/mschraal/view-styling-fixes' 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:

  3c00caf... Drop unneeded view CSS styling
  69d9811... org.gnome.Music.css: Drop tile override
  7124586... ui/SongsView: Drop custom styling
  82de74e... Bring PlayerToolbar styling in line with mockups

Commits added to the branch:

  2d00a64... artistsview: Make sidebar resizable (*)
  203327a... playlistsview: Make sidebar resizable (*)
  75012a3... ui/Window: Whitespace (*)
  e15e8c4... Drop loading state from art (*)
  bd0a13c... artcache: Simplify icon drawing (*)
  7b932cc... utils: Enlarge medium art size (*)
  e7bd81b... artcache: Minimize rounding on small art (*)
  065bc11... data/ui/AlbumsView.ui: Widen column spacing (*)
  3b4f0cb... flatpak: Remove dconf sandbox hole (*)
  57e71f0... flatpak: Remove gvfs access (*)
  3415af5... window: Only create back button gesture once (*)
  99c8f39... Drop unneeded view CSS styling
  d178da8... org.gnome.Music.css: Drop tile override
  db55c95... ui/SongsView: Drop custom styling
  081f0fd... Bring PlayerToolbar styling in line with mockups
  149ba97... disclistboxwidget: Drop custom CSS

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