Ordering by city is broken on Infrastructures page

[marcantoinedupre]

Description

On Geotrek Admin list of Infrastructures (Aménagements) page clicking the arrows to order the list by city does not work and a Datatables error message is shown in a popup.

Reproduced on Geotrek Admin demo v2.102.1.

More info

Error message on Geotrek Admin interface :

DataTables warning: table id=objects-list - Ajax error. For more information about this error, please see http://datatables.net/tn/7

Corresponding error stacktrace:

FieldError: Cannot resolve keyword 'cities' into field. Choices are: access, access_id, accessibility, accessibility_en, accessibility_es, accessibility_fr, accessibility_it, aggregations, ascent, attachments, blades_set, condition, condition_id, date_insert, date_update, deleted, descent, description, description_en, description_es, description_fr, description_it, eid, geom, geom_3d, geom_need_update, id, implantation_year, kind, length, maintenance_difficulty, maintenance_difficulty_id, max_elevation, min_elevation, name, name_en, name_es, name_fr, name_it, offset, provider, publication_date, published, published_en, published_es, published_fr, published_it, slope, structure, structure_id, topo_object, topo_object_id, type, type_id, usage_difficulty, usage_difficulty_id, uuid
  File "django/core/handlers/exception.py", line 47, in inner
    response = get_response(request)
  File "django/core/handlers/base.py", line 181, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "django/views/decorators/csrf.py", line 54, in wrapped_view
    return view_func(*args, **kwargs)
  File "rest_framework/viewsets.py", line 125, in view
    return self.dispatch(request, *args, **kwargs)
  File "rest_framework/views.py", line 509, in dispatch
    response = self.handle_exception(exc)
  File "rest_framework/views.py", line 469, in handle_exception
    self.raise_uncaught_exception(exc)
  File "rest_framework/views.py", line 480, in raise_uncaught_exception
    raise exc
  File "rest_framework/views.py", line 506, in dispatch
    response = handler(request, *args, **kwargs)
  File "mapentity/decorators.py", line 75, in _wrapped_view
    return view_func(self, request, *args, **kwargs)
  File "mapentity/decorators.py", line 100, in _wrapped_method
    return view_func(self, *args, **kwargs)
  File "mapentity/views/api.py", line 86, in list
    return super().list(request, *args, **kwargs)
  File "rest_framework/mixins.py", line 38, in list
    queryset = self.filter_queryset(self.get_queryset())
  File "rest_framework/generics.py", line 150, in filter_queryset
    queryset = backend().filter_queryset(self.request, queryset, self)
  File "rest_framework_datatables/filters.py", line 194, in filter_queryset
    queryset = queryset.order_by(*ordering)
  File "modeltranslation/manager.py", line 351, in order_by
    return super().order_by(*new_args)
  File "django/db/models/query.py", line 1149, in order_by
    obj.query.add_ordering(*field_names)
  File "django/db/models/sql/query.py", line 2016, in add_ordering
    self.names_to_path(item.split(LOOKUP_SEP), self.model._meta)
  File "django/db/models/sql/query.py", line 1562, in names_to_path
    raise FieldError("Cannot resolve keyword '%s' into field. "

[submarcos]

as it's a simple texte field, we just need to disable the order on this