fix: elasticsearch has no attribute sync (#5733)

Author: prabhupant

app/views/elastic_cron_helpers.py

@@ -6,7 +6,7 @@
 """
 
 from app.models.event import Event
-from app.models.search.sync import rebuild_indices, sync_event_from_database
+from app.models.search.sync import rebuild_indices, sync_event_from_database, sync
 from app.views.celery_ import celery
 from app.views.elastic_search import connect_from_config
 from app.views.postgres import get_session_from_config
@@ -25,5 +25,4 @@ def cron_rebuild_events_elasticsearch():
 
 def sync_events_elasticsearch():
     """Sync all newly created, updated or deleted events"""
-    elastic = connect_from_config()
-    elastic.sync()
+    sync()