chore: simplify the M2MCopyConfigurationForm setup

Signed-off-by: tdruez <tdruez@aboutcode.org>

Author: tdruez

dje/views.py

@@ -14,8 +14,6 @@
 from collections import defaultdict
 from collections import namedtuple
 from contextlib import suppress
-from functools import partial
-from functools import wraps
 from urllib.parse import parse_qsl
 from urllib.parse import unquote_plus
 from urllib.parse import urlparse
@@ -1361,14 +1359,15 @@ def object_copy_get(request, m2m_formset_class):
             ct = ContentType.objects.get_for_model(related_model)
             m2m_initial.append({"ct": ct.id})
 
+    m2m_formset = m2m_formset_class(initial=m2m_initial, form_kwargs={"user": request.user})
     return render(
         request,
         "admin/object_copy.html",
         {
             "copy_candidates": copy_candidates,
             "update_candidates": update_candidates,
             "form": form,
-            "m2m_formset": m2m_formset_class(initial=m2m_initial),
+            "m2m_formset": m2m_formset,
             "opts": source_object._meta,
             "preserved_filters": preserved_filters,
         },
@@ -1388,11 +1387,7 @@ def object_copy_view(request):
     This result as an extra step of presenting the target Dataspace list of
     choices.
     """
-    # Declared here as it required in GET and POST cases.
-    m2m_formset_class = formset_factory(
-        wraps(M2MCopyConfigurationForm)(partial(M2MCopyConfigurationForm, user=request.user)),
-        extra=0,
-    )
+    m2m_formset_class = formset_factory(M2MCopyConfigurationForm, extra=0)
 
     # Default entry point of the view, requested using a GET
     # At that stage, we are only looking at what the User requested,
@@ -1421,7 +1416,7 @@ def object_copy_view(request):
         exclude_update = {model_class: config_form.cleaned_data.get("exclude_update")}
 
         # Append the m2m copy configuration
-        for m2m_form in m2m_formset_class(request.POST):
+        for m2m_form in m2m_formset_class(request.POST, form_kwargs={"user": request.user}):
             if not m2m_form.is_valid():
                 continue
             m2m_model_class = m2m_form.model_class