Fix issue with Gaia hub url property in api settings being undefined.

Author: yknl

app/js/auth/index.js

@@ -346,7 +346,7 @@ class AuthPage extends React.Component {
           appPrivateKey, 
           this.state.collectionScopes, 
           collectionsNode, 
-          this.props.api.gaiaHubConfig,
+          this.props.api.gaiaHubUrl,
           this.props.identitySettings[identityIndex],
           this.updateIdentityCollectionSettings
         )

app/js/utils/collection-utils.js

@@ -111,7 +111,7 @@ export function processCollectionScopes(
   appPrivateKey,
   collectionScopes,
   collectionsNode,
-  gaiaHubConfig,
+  gaiaHubUrl,
   identitySettings,
   updateIdentityCollectionSettings
 ) {
@@ -123,15 +123,15 @@ export function processCollectionScopes(
       updateIdentityCollectionSettings
     )
   const hubConfigsPromise = 
-    getCollectionGaiaHubConfigs(collectionScopes, collectionsNode, gaiaHubConfig.server)
+    getCollectionGaiaHubConfigs(collectionScopes, collectionsNode, gaiaHubUrl)
   return Promise.all([encryptionKeyPromise, hubConfigsPromise])
     .then(results => {
       const collectionKeys = results[0]
       const collectionHubConfigs = results[1]
       return updateAppCollectionKeys(
         collectionScopes,
         appPrivateKey, 
-        gaiaHubConfig.server, 
+        gaiaHubUrl, 
         collectionKeys, 
         collectionHubConfigs
       )