Broken UI (ChatStack message_action_box) after upgrade to 2.41 on Arch

Versions

• OS: Arch Linux
• Gajim: 2.4.1
• GTK: 4.20.3
• python-nbxmpp: 7.0.0

Steps to reproduce the problem

1. Open Gajim.

Expected behavior

UI working as normal.

Actual behavior

Chats do not appear in the UI:

In the command line I get the following traceback:

Traceback (most recent call last):
  File "/usr/lib/python3.13/site-packages/gajim/gtk/application.py", line 383, in _handle_local_options
    self._startup()
    ~~~~~~~~~~~~~^^
  File "/usr/lib/python3.13/site-packages/gajim/gtk/application.py", line 264, in _startup
    main_window.init()
    ~~~~~~~~~~~~~~~~^^
  File "/usr/lib/python3.13/site-packages/gajim/gtk/main.py", line 159, in init
    self._load_chats()
    ~~~~~~~~~~~~~~~~^^
  File "/usr/lib/python3.13/site-packages/gajim/gtk/main.py", line 1268, in _load_chats
    self.activate_workspace(workspace_id)
    ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/site-packages/gajim/gtk/main.py", line 959, in activate_workspace
    self._main_stack.show_chats(workspace_id)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/site-packages/gajim/gtk/main_stack.py", line 64, in show_chats
    self._chat_page.show_workspace_chats(workspace_id)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
  File "/usr/lib/python3.13/site-packages/gajim/gtk/chat_page.py", line 199, in show_workspace_chats
    self._chat_stack.clear()
    ~~~~~~~~~~~~~~~~~~~~~~^^
  File "/usr/lib/python3.13/site-packages/gajim/gtk/chat_stack.py", line 924, in clear
    self._message_action_box.clear()
    ^^^^^^^^^^^^^^^^^^^^^^^^
AttributeError: 'ChatStack' object has no attribute '_message_action_box'. Did you mean: 'get_message_action_box'?