feat(task): show notification after adding and updating task

Author: ArnobChowdhury

src/renderer/context/AppProvider.tsx

@@ -130,7 +130,6 @@ const AppContextFn = (initialUser: User | null) => {
 
   const clearNotifier = useCallback(() => {
     setShowSnackbar(false);
-    setNotification(undefined);
   }, []);
 
   const handlePageRefresh = useCallback(() => {

src/renderer/widgets/AddTask.tsx

@@ -162,6 +162,7 @@ const AddTask = forwardRef<HTMLDivElement, IAddTaskProps>((props, ref) => {
       );
 
       widgetCloseFunc(false);
+      setNotifier(`'${taskTitle}' created successfully`, 'success');
     } catch (err: any) {
       setNotifier(err.message, 'error');
     }

src/renderer/widgets/EditTask.tsx

@@ -210,6 +210,7 @@ function EditTask({
       }
 
       widgetCloseFunc();
+      setNotifier(`'${taskTitle}' updated successfully`, 'success');
     } catch (err: any) {
       setNotifier(err.message, 'error');
     }