HOT-FIX: retorna com campo 'index_date'

solr/sapl_configset/conf/managed-schema

@@ -120,7 +120,8 @@
     <field name="django_ct" type="string" indexed="true" stored="true" multiValued="false"/>
     <field name="django_id" type="string" indexed="true" stored="true" multiValued="false"/>
     <field name="text" type="text_pt" indexed="true" stored="true" multiValued="false" />
-    <field name="last_update" type="pdate" indexed="true" stored="true" default="NOW" />
+    <field name="index_date" type="pdate" indexed="true" stored="true" multiValued="false" docValues="true" />
+    <field name="last_update" type="pdate" indexed="true" stored="true" default="NOW" docValues="true" />
 
     <!-- This can be enabled, in case the client does not know what fields may be searched. It isn't enabled by default
          because it's very expensive to index everything twice. -->