JIRA: https://jira.spring.io/browse/INT-4318 Do not `ObjectMApper.findAndRegisterModules()` unconditionally. If there is no the target module library in classpath, we end up with the `NoClassDefFoundError` * Copy-paste the well-known modules registration logic from the `org.springframework.http.converter.json.Jackson2ObjectMapperBuilder` since we can't add `spring-web` dependency to the `SI-core`