reactor.netty.http.client.PrematureCloseException is equivalent for org.apache.catalina.connector.ClientAbortException and should be treat similar

Comment From: philwebb

Thanks, those values are copied from Spring Framework so I've opened https://github.com/spring-projects/spring-framework/issues/26771. We'll align with whatever they decide.

Comment From: snicoll

Closing this PR given the outcome in https://github.com/spring-projects/spring-framework/issues/26771#issuecomment-814807612