Description of problem:
Clicking on a bottle in the Bottles view throws that error in KDE. The same action, whether existing bottle or newly created, works fine on GNOME.

Version-Release number of selected component:
bottles-1:51.21-2.fc41

Additional info:
reporter:       libreport-2.17.15
kernel:         6.12.9-200.fc41.x86_64
cmdline:        /usr/bin/python3 /usr/bin/bottles
cgroup:         0::/user.slice/user-1000.slice/user/app.slice/app-org.kde.konsole-2326.scope/tab(2340).scope
uid:            1000
reason:         bottle_preferences.py:381:update_combo_components:TypeError: nothing connected to <bound method PreferencesView.__set_runner of <bottle_preferences.PreferencesView object at 0x7f1617244f80 (DetailsPreferences at 0x560a56a547f0)>>
executable:     /usr/bin/bottles
type:           Python3
package:        bottles-1:51.21-2.fc41
runlevel:       N 5
exception_type: TypeError
crash_function: update_combo_components
interpreter:    python3-3.13.1-2.fc41.x86_64
comment:        Clicking on a bottle in the Bottles view throws that error in KDE. The same action, whether existing bottle or newly created, works fine on GNOME.

Truncated backtrace:
bottle_preferences.py:381:update_combo_components:TypeError: nothing connected to <bound method PreferencesView.__set_runner of <bottle_preferences.PreferencesView object at 0x7f1617244f80 (DetailsPreferences at 0x560a56a547f0)>>

Traceback (most recent call last):
  File "/usr/share/bottles/bottles/frontend/views/list.py", line 115, in show_details
    self.window.page_details.view_preferences.update_combo_components()
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/usr/share/bottles/bottles/frontend/views/bottle_preferences.py", line 381, in update_combo_components
    self.combo_runner.handler_block_by_func(self.__set_runner)
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^
TypeError: nothing connected to <bound method PreferencesView.__set_runner of <bottle_preferences.PreferencesView object at 0x7f1617244f80 (DetailsPreferences at 0x560a56a547f0)>>

Local variables in innermost frame:
self: <bottle_preferences.PreferencesView object at 0x7f1617244f80 (DetailsPreferences at 0x560a56a547f0)>