SpringBoot UserDetailsServiceAutoConfiguration should be conditional on missing ReactiveAuthenticationManager

In applications annotated with @EnableWebFluxSecurity, and ReactiveAuthenticationManager beans defined, UserDetailsServiceAutoConfiguration is still instantiating and printing warnings on application startup:

WARN 22054 --- [           main] .s.s.UserDetailsServiceAutoConfiguration :
Using generated security password: 295608be-82b5-4b3b-ab74-b57d93515063
This generated password is for development use only. Your security configuration must be updated before running your application in production.

I think the solution is to add the reactive versions of these bean interfaces to the @ConditionalOnMissingBean annotation. I'm using Spring Boot 2.7.3.

Comment From: mbhave

This was done in #31317 and will be available in Spring Boot 3.0.