✨(api) support TeamAccess ordering on their role

Enhance list capabilities, by adding the OrderingFilter as filter backend,
to the TeamAccess viewset.

API response can be ordered by TeamAccess role. More supported ordering
fields will be supported later on.

src/backend/core/api/viewsets.py

@@ -326,6 +326,10 @@ class TeamAccessViewSet(
     list_serializer_class = serializers.TeamAccessReadOnlySerializer
     detail_serializer_class = serializers.TeamAccessSerializer
 
+    filter_backends = [filters.OrderingFilter]
+    ordering = ['role']
+    ordering_fields = ['role']
+
     def get_permissions(self):
         """User only needs to be authenticated to list team accesses"""
         if self.action == "list":

src/backend/core/tests/team_accesses/test_api_team_accesses_list.py

@@ -203,3 +203,45 @@ def test_api_team_accesses_list_authenticated_constant_numqueries(
 
     assert response.status_code == 200
     assert response.json()["count"] == 21
+
+
+def test_api_team_accesses_list_authenticated_ordering():
+    """Team accesses can be ordered by "role"."""
+
+    user = factories.UserFactory()
+    factories.IdentityFactory(user=user, is_main=True)
+
+    team = factories.TeamFactory()
+    models.TeamAccess.objects.create(team=team, user=user)
+
+    # create 20 new team members
+    for _ in range(20):
+        extra_user = factories.IdentityFactory(is_main=True).user
+        factories.TeamAccessFactory(team=team, user=extra_user)
+
+    client = APIClient()
+    client.force_login(user)
+
+    response = client.get(
+        f"/api/v1.0/teams/{team.id!s}/accesses/?ordering=role",
+    )
+    assert response.status_code == 200
+    assert response.json()["count"] == 21
+
+    results = [
+        team_access["role"]
+        for team_access in response.json()["results"]
+    ]
+    assert sorted(results) == results
+
+    response = client.get(
+        f"/api/v1.0/teams/{team.id!s}/accesses/?ordering=-role",
+    )
+    assert response.status_code == 200
+    assert response.json()["count"] == 21
+
+    results = [
+        team_access["role"]
+        for team_access in response.json()["results"]
+    ]
+    assert sorted(results, reverse=True) == results