fix: Feature state django_id fields are not handled (#156)

Author: khvn26

flagsmith/mappers.py

@@ -199,7 +199,9 @@ def _map_environment_document_feature_states_to_feature_contexts(
 ) -> typing.Iterable[FeatureContext]:
     for feature_state in feature_states:
         feature_context = FeatureContext(
-            key=str(feature_state["id"]),
+            key=str(
+                feature_state.get("django_id") or feature_state["featurestate_uuid"]
+            ),
             feature_key=str(feature_state["feature"]["id"]),
             name=feature_state["feature"]["name"],
             enabled=feature_state["enabled"],

tests/data/environment.json

@@ -43,8 +43,8 @@
         {
             "multivariate_feature_state_values": [],
             "feature_state_value": "some-value",
-            "id": 1,
-            "featurestate_uuid": "40eb539d-3713-4720-bbd4-829dbef10d51",
+            "django_id": 1,
+            "featurestate_uuid": "799d42c3-e973-4d43-957a-35a2aea169c1",
             "feature": {
                 "name": "some_feature",
                 "type": "STANDARD",