Add a notification for "tasks" in the navigation (#1489)

* Add a notification for "tasks" in the navigation

Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: chiazokam <chiazokamecheta@gmail.com>

* Add a notification for "tasks" in the navigation

Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: chiazokam <chiazokamecheta@gmail.com>

* Fix icon import in TaskNavMenuItem

Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: chiazokam <chiazokamecheta@gmail.com>

* Use object destructuring

Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: chiazokam <chiazokamecheta@gmail.com>

* Refactor according to review

Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: chiazokam <chiazokamecheta@gmail.com>

* Rename dueTasks to dueTaskCount

Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: chiazokam <chiazokamecheta@gmail.com>

* Complete Task notification display

* Fix lint

* Fix tests

---------

Co-authored-by: v1b3m <vibenjamin6@gmail.com>
Co-authored-by: chiazokam <chiazokamecheta@gmail.com>
Co-authored-by: Charles Bochet <charles@twenty.com>

front/src/modules/activities/tasks/components/TaskGroups.tsx

@@ -68,7 +68,7 @@ export function TaskGroups({ entity, showAddButton }: OwnProps) {
   );
 
   if (
-    (activeTabId === 'to-do' &&
+    (activeTabId !== 'done' &&
       todayOrPreviousTasks?.length === 0 &&
       upcomingTasks?.length === 0 &&
       unscheduledTasks?.length === 0) ||