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/ema.py

@@ -17,7 +17,7 @@ from ema.forms import NewEmaForm, EditEmaForm
 from ema.models import Ema
 from ema.tables import EmaTable
 from konova.contexts import BaseContext
-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.forms import SimpleGeomForm
 from konova.forms.modals import RemoveModalForm
 from konova.settings import DEFAULT_GROUP, ZB_GROUP, ETS_GROUP
@@ -214,6 +214,7 @@ def edit_view(request: HttpRequest, id: str):
     return render(request, template, context)
 
 
+@login_required_modal
 @login_required
 @conservation_office_group_required
 @shared_access_required(Ema, "id")