PLT-5702 Added special error page for private browsing error message (#5985)

webapp/stores/browser_store.jsx

@@ -3,12 +3,7 @@
 
 import {browserHistory} from 'react-router/es6';
 import * as Utils from 'utils/utils.jsx';
-import Constants from 'utils/constants.jsx';
-
-const notSupportedParams = {
-    title: Utils.localizeMessage('error.not_supported.title', 'Browser not supported'),
-    message: Utils.localizeMessage('error.not_supported.message', 'Private browsing is not supported')
-};
+import {Constants, ErrorPageTypes} from 'utils/constants.jsx';
 
 function getPrefix() {
     if (global.window.mm_current_user_id) {
@@ -200,7 +195,7 @@ class BrowserStoreClass {
             sessionStorage.removeItem('__testSession__');
         } catch (e) {
             // Session storage not usable, website is unusable
-            browserHistory.push(window.location.origin + '/error?title=' + notSupportedParams.title + '&message=' + notSupportedParams.message);
+            browserHistory.push('/error?type=' + ErrorPageTypes.LOCAL_STORAGE);
         }
 
         this.hasCheckedLocalStorage = true;