Reactive StrictServerWebExchangeFirewall bean not used

[gnawf]

Describe the bug
The Reactive Firewall doc mentions

    @Bean
    public StrictServerWebExchangeFirewall httpFirewall() {
        StrictServerWebExchangeFirewall firewall = new StrictServerWebExchangeFirewall();
        firewall.setAllowSemicolon(true);
        return firewall;
    }

But this StrictServerWebExchangeFirewall bean doesn't seem to be used?

In my IDE I can't find any usages of WebFilterChainProxy.setFirewall

Seems similar to #16061 but this issue for ServerWebExchangeFirewall

To Reproduce

Set the ServerWebExchangeFirewall bean per docs.

Expected behavior

The ServerWebExchangeFirewall bean behavior is used.