Polish RefreshAutoConfiguration to reuse constants (#1443)

Signed-off-by: Yanming Zhou <[email protected]>

spring-cloud-context/src/main/java/org/springframework/cloud/autoconfigure/RefreshAutoConfiguration.java

@@ -119,7 +119,7 @@ public ConfigDataContextRefresher configDataContextRefresher(ConfigurableApplica
 		return new ConfigDataContextRefresher(context, scope, properties);
 	}
 
-	@ConditionalOnProperty(value = "spring.cloud.refresh.on-restart.enabled", matchIfMissing = true)
+	@ConditionalOnProperty(value = REFRESH_SCOPE_PREFIX + ".on-restart.enabled", matchIfMissing = true)
 	@Bean
 	RefreshScopeLifecycle refreshScopeLifecycle(ContextRefresher contextRefresher) {
 		return new RefreshScopeLifecycle(contextRefresher);