Update serializers

src/documents/serializers.py

@@ -64,6 +64,7 @@ class PageLightSerializer(serializers.ModelSerializer):
             'page_type',
             'nb',
             'direction',
+            'display_name',
             'images',
         )
 
@@ -187,7 +188,7 @@ class PageZoneCanvasManifestSerializer(serializers.BaseSerializer):
         return {
             "@id": page.build_absolute_url(self.context['request'], 'api:canvas-manifest'),
             "@type": "sc:Canvas",
-            "label": page.folio,
+            "label": page.display_name,
             "height": zone.box.height,
             "width": zone.box.width,
             "images": [