fix a bunch of problems with credential validation

src/views/tinode-web.jsx

@@ -762,6 +762,7 @@ class TinodeWeb extends React.Component {
     parsed.path[0] = 'cred';
     parsed.params['method'] = params.cred[0];
     parsed.params['token'] = params.token;
+    parsed.params['code'] = params.code;
     HashNavigation.navigateTo(HashNavigation.composeUrlHash(parsed.path, parsed.params));
   }
 
@@ -1286,7 +1287,7 @@ class TinodeWeb extends React.Component {
   }
 
   handleCredConfirm(method, response) {
-    TinodeWeb.navigateToCredentialsView({cred: [method]});
+    TinodeWeb.navigateToCredentialsView({cred: [method], code: response});
   }
 
   // User clicked Cancel button in Setting or Sign Up panel.
@@ -1705,6 +1706,7 @@ class TinodeWeb extends React.Component {
     if (this.tinode.isAuthenticated()) {
       // Adding new email or phone number in account setting.
       this.tinode.getMeTopic().setMeta({cred: {meth: cred, resp: code}})
+        .then(_ => HashNavigation.navigateTo(HashNavigation.setUrlSidePanel(window.location.hash, 'contacts')))
         .catch(err => this.handleError(err.message, 'err'));
     } else {
       // Credential validation on signup.