Login required on modals

* adds new login_required_modal decorator
    * can be used before regular login_required decorator to return a proper session-timed-out message

ema/views/record.py

@@ -9,13 +9,14 @@ from django.contrib.auth.decorators import login_required
 from django.utils.decorators import method_decorator
 
 from ema.models import Ema
-from konova.decorators import shared_access_required, conservation_office_group_required
+from konova.decorators import shared_access_required, conservation_office_group_required, login_required_modal
 from konova.views.record import AbstractRecordView
 
 
 class EmaRecordView(AbstractRecordView):
     model = Ema
 
+    @method_decorator(login_required_modal)
     @method_decorator(login_required)
     @method_decorator(conservation_office_group_required)
     @method_decorator(shared_access_required(Ema, "id"))