[gnome-music/wip/mschraal/artistsview-selection-through-coreobjects] artistsview: Fix conditional logic

[Marinus Schraal <mschraal src gnome org>]

commit 27b4388eaad5c2de4ba179fdc35ebd7155dc9dd5
Author: Marinus Schraal <mschraal gnome org>
Date:   Wed Feb 2 23:49:06 2022 +0100

    artistsview: Fix conditional logic
    
    * Use 'is' operator for object comparison
    * Use active_view property instead of object parent/child call

 gnomemusic/views/artistsview.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gnomemusic/views/artistsview.py b/gnomemusic/views/artistsview.py
index 9c451be3b..b967f3d87 100644
--- a/gnomemusic/views/artistsview.py
+++ b/gnomemusic/views/artistsview.py
@@ -185,7 +185,7 @@ class ArtistsView(Gtk.Paned):
         :param bool value: Activate selection mode
         """
         if (value == self._selection_mode
-                or self.get_parent().get_visible_child() != self):
+                or self._window.props.active_view is not self):
             return
 
         self._selection_mode = value