Bugfix Parcel calculation

* fixes a bug where neighbouring parcels would be detected using Intersection operation as well

konova/forms/geometry_form.py

@@ -130,4 +130,4 @@ class SimpleGeomForm(BaseForm):
             )
         # Start the parcel update procedure in a background process
         celery_update_parcels.delay(geometry.id)
-        return geometry
+        return geometry