fix config context if value passed by props not getting overwritten

src/contexts/Config.jsx

@@ -24,8 +24,11 @@ class Provider extends Component {
   }
 
   componentDidMount () {
+    const { value } = this.props;
+    if (!value) {
       this.fetchConfig();
     }
+  }
 
   async fetchConfig () {
     const { api, handleHttpError } = this.props;