XWaylandを含むDebian 12：gnome-startup-applicationsとgnome-tweaksの問題

gnome-startup-applicationsより一般的には、Debian 12にアップデートした後に動作が停止gnome-tweaksしました。

$ gnome-tweaks
WARNING: Shell not installed or running

(gnome-tweaks:19742): dconf-WARNING **: 08:17:46.684: failed to commit changes to dconf: The connection is closed
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/gtweak/app.py", line 50, in do_activate
    self.win = Window(self, model)
               ^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/gtweak/tweakview.py", line 58, in __init__
    self._model.load_tweaks(self)
  File "/usr/lib/python3/dist-packages/gtweak/tweakmodel.py", line 107, in load_tweaks
    mods = __import__("gtweak.tweaks", globals(), locals(), tweak_files, 0)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/gtweak/tweaks/tweak_group_general.py", line 54, in <module>
    IgnoreLidSwitchTweak(),
    ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/gtweak/tweaks/tweak_group_general.py", line 28, in __init__
    GetterSetterSwitchTweak.__init__(self, _("Suspend when the laptop lid is closed"), **options)
  File "/usr/lib/python3/dist-packages/gtweak/widgets.py", line 469, in __init__
    sw.set_active(self.get_active())
                  ^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/gtweak/tweaks/tweak_group_general.py", line 31, in get_active
    return not self._sync_inhibitor()
               ^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/gtweak/tweaks/tweak_group_general.py", line 42, in _sync_inhibitor
    bus = Gio.bus_get_sync(Gio.BusType.SESSION, None)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
gi.repository.GLib.GError: g-io-error-quark: The connection is closed (18)