Changes to Get data stream ingestion health

removed the optional property bulk_requests from the response with the 200 status

removed the optional property import_batches_count from the response with the 200 status

removed the optional property import_batches_record_sum from the response with the 200 status

removed the optional property orphan_records_count from the response with the 200 status

added the optional property imports to the response with the 200 status

added the optional property imports_count to the response with the 200 status