[gnome-music/wip/jfelder/playertoolbar-action-group] playertoolbar: Set the action group in the constructor

[Jean Felder <jfelder src gnome org>]

commit c0905d24c00d1675082e9057f0115bad1a8bab82
Author: Jean Felder <jfelder src gnome org>
Date:   Thu Feb 3 05:44:27 2022 +0100

    playertoolbar: Set the action group in the constructor
    
    This fixes a weakref issue in the Gtk4 port.

 gnomemusic/widgets/playertoolbar.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/gnomemusic/widgets/playertoolbar.py b/gnomemusic/widgets/playertoolbar.py
index 5b98d0e5c..11d5e6a3c 100644
--- a/gnomemusic/widgets/playertoolbar.py
+++ b/gnomemusic/widgets/playertoolbar.py
@@ -88,6 +88,10 @@ class PlayerToolbar(Gtk.ActionBar):
         self._repeat_action: Gio.SimpleAction = Gio.SimpleAction.new_stateful(
             "repeat", GLib.VariantType.new("s"), GLib.Variant("s", ""))
 
+        action_group = Gio.SimpleActionGroup()
+        action_group.add_action(self._repeat_action)
+        self.insert_action_group("playertoolbar", action_group)
+
     # FIXME: This is a workaround for not being able to pass the player
     # object via init when using Gtk.Builder.
     @GObject.Property(type=Player, default=None)
@@ -122,9 +126,6 @@ class PlayerToolbar(Gtk.ActionBar):
         self._repeat_action.set_state(
             GLib.Variant("s", str(repeat_mode.value)))
         self._repeat_action.connect("activate", self._repeat_menu_changed)
-        action_group = Gio.SimpleActionGroup()
-        action_group.add_action(self._repeat_action)
-        self.insert_action_group("playertoolbar", action_group)
 
         self._sync_repeat_image()