Add ExceptionHandlingSpec.defaultAuthenticationEntryPointFor() #9663
Description
We should allow for custom ServerAuthenticationEntryPoint to be configured via ServerHttpSecurity.ExceptionHandlingSpec.
ExceptionHandlingConfigurer provides:
defaultAuthenticationEntryPointFor(AuthenticationEntryPoint, RequestMatcher)We should align ServerHttpSecurity.ExceptionHandlingSpec and provide:
defaultAuthenticationEntryPointFor(ServerAuthenticationEntryPoint, ServerWebExchangeMatcher)