refactor: Explicitly allow name=None for a couple of views

ietf/doc/views_status_change.py

@@ -531,7 +531,7 @@ def rfc_status_changes(request):
                           )
 
 @role_required("Area Director","Secretariat")
-def start_rfc_status_change(request,name):
+def start_rfc_status_change(request, name=None):
     """Start the RFC status change review process, setting the initial shepherding AD, and possibly putting the review on a telechat."""
 
     if name:

ietf/meeting/views.py

@@ -2730,7 +2730,7 @@ def upload_session_agenda(request, session_id, num):
                   })
 
 
-def upload_session_slides(request, session_id, num, name):
+def upload_session_slides(request, session_id, num, name=None):
     # num is redundant, but we're dragging it along an artifact of where we are in the current URL structure
     session = get_object_or_404(Session,pk=session_id)
     if not session.can_manage_materials(request.user):