downgrade some error logs for store package (#16632)

store/sqlstore/integrity.go

@@ -66,7 +66,7 @@ func checkParentChildIntegrity(ss *SqlStore, config relationalCheckConfig) model
 	config.sortRecords = true
 	data.Records, result.Err = getOrphanedRecords(ss, config)
 	if result.Err != nil {
-		mlog.Error(result.Err.Error())
+		mlog.Error("Error while getting orphaned records", mlog.Err(result.Err))
 		return result
 	}
 	data.ParentName = config.parentName