[backend] Activate worker from helper panel

beat/web/backend/views.py

@@ -70,6 +70,8 @@ class Work:
         Worker.environments = utils.find_environments(None)
         Work.worker = Worker.objects.get(name=socket.gethostname()) \
             if Worker.objects.count() != 1 else Worker.objects.get()
+        Work.worker.activate()
+        Work.worker.save()
 
     def __call__(self):