Merge branch 'fix_4577' into 'main'

Make the presentation of the stack sidebar listbox nicer for A11Y

Closes #4577

See merge request GNOME/gtk!4661

gtk/gtkstacksidebar.c

@@ -33,6 +33,8 @@
 #include "gtkprivate.h"
 #include "gtkwidgetprivate.h"
 
+#include <glib/gi18n-lib.h>
+
 /**
  * GtkStackSidebar:
  *
@@ -147,6 +149,11 @@ gtk_stack_sidebar_init (GtkStackSidebar *self)
 
   self->list = GTK_LIST_BOX (gtk_list_box_new ());
   gtk_widget_add_css_class (GTK_WIDGET (self->list), "navigation-sidebar");
+  gtk_accessible_update_property (GTK_ACCESSIBLE (self->list),
+                                  GTK_ACCESSIBLE_PROPERTY_LABEL,
+                                  C_("accessibility", "Sidebar"),
+                                  -1);
+
 
   gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), GTK_WIDGET (self->list));