Refactor WAF routing to use SetWafApiServerRouter function, improving API...

Refactor WAF routing to use SetWafApiServerRouter function, improving API server integration and configuration handling.

api/router.go

@@ -116,7 +116,7 @@ func SetApiRouters(config *config.Config, ssoUrl string, elasticClient *elastic.
 		})
 	})
 
-	SetWafProxyRouter(engine, config.RegionConfigs)
+	SetWafApiServerRouter(engine, nil, nil, "", elasticClient)
 	return engine
 }