spring-modulith-observability breaks RestControllers implementing an Interface

When the spring-modulith-observability dependency is present, RestControllers that implement any interface are no longer serving their endpoints or apear in the OpenAPI documentation (Swagger).

This is not limited to interfaces with Rest Annotations (like @GetMapping), or OpenAPI Annotations, but also to interfaces that are not related to the REST API, including empty marker interfaces.

The expected behavior is, that the spring-modulith-observability doesn't have an effect on the availability of RestControllers implementing an interface.

Reproducer https://github.com/gmuecke/spring-modulith-observability-reproducer

Spring Modulith: 1.2.0, 1.1.5
Spring Boot: 3.3.0, 3.2.6
JDK 21

从链接的 spring-modulith-observability reproducer 开始，针对列出的 Spring Modulith 和 Spring Boot 版本运行它。比较实现接口的 RestControllers 在有依赖和无依赖时的情况，检查端点是否可用以及 OpenAPI 文档；当实现接口的控制器在两种情况下都能正常工作时，即表示完成。