Move notifications to multi storage service

frontend/app/components/inplace-edit/services/inplace-edit-multi-storage.service.js

@@ -41,6 +41,14 @@ function inplaceEditMultiStorage($rootScope, $q, inplaceEditStorage, EditableFie
     });
   });
 
+  $rootScope.$on('inplaceEditMultiStorage.save.comment', function (event, promise) {
+    promise.then(function() {
+      NotificationsService.addSuccess(I18n.t('js.work_packages.comment_added'));
+    }).catch(function() {
+      NotificationsService.addError(I18n.t('js.work_packages.comment_send_failed'));
+    });
+  });
+
   return {
     save: function () {
       var promises = [];

frontend/app/components/work-packages/directives/work-package-comment/work-package-comment.directive.js

@@ -137,16 +137,12 @@ function workPackageComment($rootScope, $timeout, $location, EditableFieldsState
       ctrl.startEditing(quote);
     });
 
-    $rootScope.$on('inplaceEditMultiStorage.save.comment', function (event, promise) {
+    $scope.$on('inplaceEditMultiStorage.save.comment', function (event, promise) {
       promise.then(function() {
         ctrl.discardEditing();
-        NotificationsService.addSuccess(I18n.t('js.work_packages.comment_added'));
 
         var nextActivity = ctrl.activities.length + 1;
         $location.hash('activity-' + (nextActivity));
-
-      }).catch(function() {
-        NotificationsService.addError(I18n.t('js.work_packages.comment_send_failed'));
       });
     });
   }