Fix flow errors

frontend/src/metabase/dashboard/hoc/DashboardData.jsx

@@ -67,7 +67,6 @@ export default (ComposedComponent: ReactClass<any>) =>
     class DashboardContainer extends Component {
       props: Props;
 
-      // $FlowFixMe
       async load(props) {
         const {
           initialize,

frontend/src/metabase/lib/api.js

@@ -71,7 +71,7 @@ class Api extends EventEmitter {
             console.warn("Warning: calling", method, "without", tag);
             value = "";
           }
-          if (!options.raw[paramName]) {
+          if (!options.raw || !options.raw[paramName]) {
             value = encodeURIComponent(value);
           }
           url = url.replace(tag, value);