Fixed plans in dev mode

no refs

Plans picked from fixture in dev mode was overwritten by empty object when site data is updated, fixed to update correctly.

ghost/portal/src/App.js

@@ -158,6 +158,7 @@ export default class App extends React.Component {
                 ...notificationSiteData,
                 ...devSiteData,
                 plans: {
+                    ...(devSiteData || {}).plans,
                     ...(apiSiteData || {}).plans,
                     ...(previewSiteData || {}).plans
                 }