[Fix] Post Modern UI deploy Bugfixes (#240)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#240

templates/modals/objects/generic_set_aliases_modal.html

@@ -65,6 +65,7 @@
           method: 'POST',
           headers: {
             'Content-Type': 'application/x-www-form-urlencoded',
+            'X-CSRFToken': document.querySelector('[name=csrfmiddlewaretoken]').value
           },
           body: formData
         });