add finish todos list

app/Http/Controllers/TimeTrackerController.php

@@ -77,9 +77,7 @@ class TimeTrackerController extends Controller
 
     public function stopUserTimeTracker(Request $request)
     {
-        $request->user()->currentTimeTracker()->update(['end_at' => now()]);
-        $request->user()->time_tracker_id = null;
-        $request->user()->save();
+        $request->user()->stopCurrentTimeTracker();
 
         return response()->json([], 204);
     }