Fix device list link when main department is set

[octomike]

Currently the "More…" button on widgets trigger

Traceback (most recent call last):
  File "/home/mk/work/src/Lagerregal/.venv/lib/python3.9/site-packages/django/core/handlers/exception.py", line 47, in inner
    response = get_response(request)
  File "/home/mk/work/src/Lagerregal/.venv/lib/python3.9/site-packages/django/core/handlers/base.py", line 181, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/home/mk/work/src/Lagerregal/.venv/lib/python3.9/site-packages/django/views/generic/base.py", line 70, in view
    return self.dispatch(request, *args, **kwargs)
  File "/home/mk/work/src/Lagerregal/.venv/lib/python3.9/site-packages/django/contrib/auth/mixins.py", line 104, in dispatch
    return super().dispatch(request, *args, **kwargs)
  File "/home/mk/work/src/Lagerregal/.venv/lib/python3.9/site-packages/django/views/generic/base.py", line 98, in dispatch
    return handler(request, *args, **kwargs)
  File "/home/mk/work/src/Lagerregal/.venv/lib/python3.9/site-packages/django/views/generic/list.py", line 142, in get
    self.object_list = self.get_queryset()
  File "/home/mk/work/src/Lagerregal/devices/views.py", line 162, in get_queryset
    devices = get_devices(self.request.user, self.viewfilter, self.departmentfilter, self.viewsorting)
  File "/home/mk/work/src/Lagerregal/devices/views.py", line 124, in get_devices
    raise ValueError
ValueError

when the current user has a main department set.

[xi]

As far as I understand you removed some of the main department functionality, correct? This sounds to me more like a workaround than a fix. Maybe we should create an issue to not forget about a proper fix in the long run.

[octomike]

The DeviceList view defaults to my departments, when the parameter is not set. Yes, the implied functionality change is that the device list then contains all devices from all of the user's departments instead of just from their main department. It fixes the bug and makes more sense imho.