PLT-7934: Make query for bulk elasticsearch indexing more efficient. (#7664)

i18n/en.json

@@ -3855,6 +3855,14 @@
     "id": "ent.elasticsearch.test_config.reenter_password",
     "translation": "The Elasticsearch Server URL or Username has changed. Please re-enter the Elasticsearch password to test connection."
   },
+  {
+    "id": "ent.elasticsearch.indexer.do_job.get_oldest_post.error",
+    "translation": "The oldest post could not be retrieved from the database."
+  },
+  {
+    "id": "model.config.is_valid.elastic_search.bulk_indexing_time_window_seconds.app_error",
+    "translation": "Elasticsearch Bulk Indexing Time Window must be at least 1 second."
+  },
   {
     "id": "ent.emoji.licence_disable.app_error",
     "translation": "Custom emoji restrictions disabled by current license. Please contact your system administrator about upgrading your enterprise license."