Make auth backwards compat again (#18792)

* Made auth not backwards compat

* Fix tests

homeassistant/auth/auth_store.py

@@ -462,10 +462,11 @@ class AuthStore:
         for group in self._groups.values():
             g_dict = {
                 'id': group.id,
+                # Name not read for sys groups. Kept here for backwards compat
+                'name': group.name
             }  # type: Dict[str, Any]
 
             if group.id not in (GROUP_ID_READ_ONLY, GROUP_ID_ADMIN):
-                g_dict['name'] = group.name
                 g_dict['policy'] = group.policy
 
             groups.append(g_dict)

tests/auth/test_auth_store.py

@@ -199,13 +199,22 @@ async def test_loading_empty_data(hass, hass_storage):
     assert len(users) == 0
 
 
-async def test_system_groups_only_store_id(hass, hass_storage):
-    """Test that for system groups we only store the ID."""
+async def test_system_groups_store_id_and_name(hass, hass_storage):
+    """Test that for system groups we store the ID and name.
+
+    Name is stored so that we remain backwards compat with < 0.82.
+    """
     store = auth_store.AuthStore(hass)
     await store._async_load()
     data = store._data_to_save()
     assert len(data['users']) == 0
     assert data['groups'] == [
-        {'id': auth_store.GROUP_ID_ADMIN},
-        {'id': auth_store.GROUP_ID_READ_ONLY},
+        {
+            'id': auth_store.GROUP_ID_ADMIN,
+            'name': auth_store.GROUP_NAME_ADMIN,
+        },
+        {
+            'id': auth_store.GROUP_ID_READ_ONLY,
+            'name': auth_store.GROUP_NAME_READ_ONLY,
+        },
     ]