[dashboard] notify instead of modal onSave (#2941)

* [dashboard] notify instead of modal onSave

* Addressing comments

superset/assets/javascripts/dashboard/Dashboard.jsx

@@ -7,6 +7,7 @@ import moment from 'moment';
 import GridLayout from './components/GridLayout';
 import Header from './components/Header';
 import { appSetup } from '../common';
+import AlertsWrapper from '../components/AlertsWrapper';
 
 import '../../stylesheets/dashboard.css';
 
@@ -60,7 +61,10 @@ function renderAlert() {
 
 function initDashboardView(dashboard) {
   render(
-    <Header dashboard={dashboard} />,
+    <div>
+      <AlertsWrapper />
+      <Header dashboard={dashboard} />
+    </div>,
     document.getElementById('dashboard-header'),
   );
   // eslint-disable-next-line no-param-reassign
@@ -332,7 +336,7 @@ export function dashboardContainer(dashboard, datasources, userid) {
           const errorMsg = getAjaxErrorMsg(error);
           utils.showModal({
             title: 'Error',
-            body: 'Sorry, there was an error adding slices to this dashboard: </ br>' + errorMsg,
+            body: 'Sorry, there was an error adding slices to this dashboard: ' + errorMsg,
           });
         },
       });

superset/assets/javascripts/dashboard/components/SaveModal.jsx

@@ -1,7 +1,8 @@
+/* global notify */
 import React from 'react';
 import PropTypes from 'prop-types';
 import { Button, FormControl, FormGroup, Radio } from 'react-bootstrap';
-import { getAjaxErrorMsg, showModal } from '../../modules/utils';
+import { getAjaxErrorMsg } from '../../modules/utils';
 import ModalTrigger from '../../components/ModalTrigger';
 
 const $ = window.$ = require('jquery');
@@ -53,19 +54,13 @@ class SaveModal extends React.PureComponent {
         if (saveType === 'newDashboard') {
           window.location = '/superset/dashboard/' + resp.id + '/';
         } else {
-          showModal({
-            title: 'Success',
-            body: 'This dashboard was saved successfully.',
-          });
+          notify.success('This dashboard was saved successfully.');
         }
       },
       error(error) {
         saveModal.close();
         const errorMsg = getAjaxErrorMsg(error);
-        showModal({
-          title: 'Error',
-          body: 'Sorry, there was an error saving this dashboard: </ br>' + errorMsg,
-        });
+        notify.error('Sorry, there was an error saving this dashboard: </ br>' + errorMsg);
       },
     });
   }