FloodActions: do not fetchNotifications after clearNotifications

This avoids race between state changes. Server should be trusted
and assumed to have done the job.

client/src/javascript/actions/FloodActions.ts

@@ -72,14 +72,14 @@ const ServerEventHandlers: Record<keyof ServerEvents, (event: unknown) => void>
 } as const;
 
 const FloodActions = {
-  clearNotifications: (options: NotificationFetchOptions) => {
+  clearNotifications: () => {
     NotificationStore.clearAll();
     return axios
       .delete(`${baseURI}api/notifications`)
       .then((json) => json.data)
       .then(
         () => {
-          FloodActions.fetchNotifications(options);
+          // do nothing.
         },
         () => {
           // do nothing.

client/src/javascript/components/sidebar/NotificationsButton.tsx

@@ -222,11 +222,7 @@ class NotificationsButton extends Component<WrappedComponentProps, Notifications
       this.tooltipRef.dismissTooltip();
     }
 
-    FloodActions.clearNotifications({
-      id: 'notification-tooltip',
-      limit: NOTIFICATIONS_PER_PAGE,
-      start: 0,
-    });
+    FloodActions.clearNotifications();
   };
 
   handleNotificationCountChange = () => {