Integrate with content expiry

[Aiky30]

def content_expiry_site_alias_excluded_set(site, queryset):
    """
    Filter ContentExpiry records to show only Alias objects available on a given site.
    Model structure: Expiry->Version->Content->Alias->site

    :param site: A site object to query against
    :param queryset: A queryset object of ContentExpiry records
    :return: A filtered list of Content Expiry records minus any none site PageContent models
    """
      from djangocms_alias.models import AliasContent

      alias_queryset = AliasContent._original_manager.exclude(Q(alias__site=site) | Q(alias__site__isnull=True))
      alias_queryset.select_related('alias')


      alias_content_ctype = ContentType.objects.get_for_model(AliasContent)
      site_alias_contents = get_alias_content_site_objects(site)
      queryset = queryset.exclude(
          version__content_type=alias_content_ctype, version__object_id__in=site_alias_contents
      )

    return queryset

djangocms_content_expiry_changelist_queryset_filters = [
    content_expiry_site_alias_excluded_set
]