Application logs are not appearing as expected in the external Elasticsearch logstore in RHOCP 4

Issue

• Aplication logs are not displaying as expected in the external Elasticsearch logstore.

• Collector pods are continuously streaming the following error logs:

  YYYY-MM-DDTHH:MM:SS.0000000Z YYYY-MM-DDTHH:MM:SS.00000Z ERROR sink{component_kind="sink" component_id=output_elasticsearch_eck component_type=elasticsearch}: vector::sinks::util::retries: Not retriable; dropping the request. reason="error type: mapper_parsing_exception, reason: object mapping for [parsed_message] tried to parse field [parsed_message] as object, but found a concrete value" internal_log_rate_limit=true