OZG-6223 Deactivate timeout for async requests

It has impact on methods that return StreamingResponseBody

alfa-server/src/main/resources/application.yml

@@ -8,6 +8,8 @@ spring:
   mvc:
     pathmatch:
       matching-strategy: ant-path-matcher
+    async:
+      request-timeout: -1
   application:
     name: Alfa
   jackson: