Fix WebFlux default enabled constant

Rename the default enabled constant to DEFAULT_MICROSPHERE_SPRING_BOOT_WEBFLUX_ENABLED and use it as the defaultValue for the WebFlux 'enabled' configuration property. This corrects an incorrect reference to the WEBMVC constant and aligns the constant name with the WebFlux module.

Author: mercyblitz

microsphere-spring-boot-webflux/src/main/java/io/microsphere/spring/boot/webflux/constants/PropertyConstants.java

@@ -38,14 +38,14 @@ public interface PropertyConstants {
     /**
      * The default value of 'enabled' property of Microsphere Spring Boot WebFlux : "true"
      */
-    String DEFAULT_MICROSPHERE_SPRING_BOOT_WEBMVC_ENABLED = "true";
+    String DEFAULT_MICROSPHERE_SPRING_BOOT_WEBFLUX_ENABLED = "true";
 
     /**
      * The 'enabled' property name of Microsphere Spring Boot WebFlux : "microsphere.spring.boot.webflux.enabled"
      */
     @ConfigurationProperty(
             type = boolean.class,
-            defaultValue = DEFAULT_MICROSPHERE_SPRING_BOOT_WEBMVC_ENABLED,
+            defaultValue = DEFAULT_MICROSPHERE_SPRING_BOOT_WEBFLUX_ENABLED,
             source = APPLICATION_SOURCE
     )
     String MICROSPHERE_SPRING_BOOT_WEBFLUX_ENALBED_PROPERTY_NAME = MICROSPHERE_SPRING_BOOT_WEBFLUX_PROPERTY_NAME_PREFIX + ENABLED_PROPERTY_NAME;