[gnome-music/wip/jfelder/gtk4-v3] (18 commits) ...artistsview: Cleanup

[Jean Felder <jfelder src gnome org>]

Summary of changes:

  dd4c8e0... songsview: Add listitem unbinding (*)
  ae4b841... albumsview: Add gridview unbind (*)
  04987f2... Revert "searchheaderbar: Ensure that the entry gets the fir (*)
  3f60676... coremodel: Remove SongListStore (*)
  85796f9... coremodel: Sort the songs model (*)
  2a6e3ad... coremodel: Remove unused function (*)
  a0a64fb... ui/ArtistAlbumsWidget: Add styling to _listbox (*)
  3d79474... artisttile: Make CoreArtist trigger the art retrieval (*)
  df53bf2... Remove delayed loading (*)
  da1d248... artisttile: No longer a ListBoxRow (*)
  ac4b1c8... artstack: Only act on a new coreobject (*)
  6087b5b... ui/AlbumWidget: Fix GtkListBox style (*)
  dfcf1b8... artistview: Flake8 fix (*)
  e4635e2... albumcover: Remove show call (*)
  4755a7d... artisttile: Move label logic here (*)
  c800bd5... artistsearchtile: Remove obsolete code (*)
  96fc195... artistalbumswidget: Rework widget loading (*)
  043f306... artistsview: Cleanup (*)

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