fix: issue #462

Author: yoution

src/services/roles.js

@@ -2,13 +2,17 @@
  * Topcoder TaaS Service for Roles
  */
 import { axiosInstance as axios } from "./requestInterceptor";
+import _ from "lodash";
 import config from "../../config";
 
 /**
  * Returns a list of roles.
  */
 export function getRoles() {
-  return axios.get(`${config.API.V5}/taas-roles`);
+  return axios.get(`${config.API.V5}/taas-roles`).then((response)=>{
+    response.data =  _.filter(response.data, role => _.find(role.rates, r => r.global))
+    return response
+  });
 }
 
 /**