fix typo for get incident

api/server/router/cluster.go

@@ -1171,7 +1171,7 @@ func getClusterRoutes(
 		},
 	)
 
-	getIncidentHandler := cluster.NewListIncidentsHandler(
+	getIncidentHandler := cluster.NewGetIncidentHandler(
 		config,
 		factory.GetDecoderValidator(),
 		factory.GetResultWriter(),