Polish WebFluxSecurityConfiguration

Signed-off-by: Yanming Zhou <zhouyanming@gmail.com>

config/src/main/java/org/springframework/security/config/annotation/web/reactive/WebFluxSecurityConfiguration.java

@@ -49,7 +49,7 @@ import static org.springframework.security.config.Customizer.withDefaults;
 @Configuration(proxyBeanMethods = false)
 class WebFluxSecurityConfiguration {
 
-	public static final int WEB_FILTER_CHAIN_FILTER_ORDER = 0 - 100;
+	public static final int WEB_FILTER_CHAIN_FILTER_ORDER = -100;
 
 	private static final String BEAN_NAME_PREFIX = "org.springframework.security.config.annotation.web.reactive.WebFluxSecurityConfiguration.";