Fixes + stable gateway ids

api/billing/documents/storage/mongo/repository.go

@@ -43,17 +43,21 @@ func New(logger mlogger.Logger, conn *db.MongoConnection) (*Store, error) {
 
 	if err := result.Ping(ctx); err != nil {
 		result.logger.Error("Mongo ping failed during store init", zap.Error(err))
+
 		return nil, err
 	}
 
 	documentsStore, err := store.NewDocuments(result.logger, database)
 	if err != nil {
 		result.logger.Error("Failed to initialise documents store", zap.Error(err))
+
 		return nil, err
 	}
+
 	result.documents = documentsStore
 
 	result.logger.Info("Billing documents MongoDB storage initialised")
+
 	return result, nil
 }