Add group partitions information to user metadata in the dom.

This information will inform our A/B testing and experiments.

REV-612

openedx/features/course_experience/tests/views/test_course_updates.py

@@ -127,7 +127,7 @@ class TestCourseUpdatesPage(SharedModuleStoreTestCase):
         course_updates_url(self.course)
 
         # Fetch the view and verify that the query counts haven't changed
-        with self.assertNumQueries(42, table_blacklist=QUERY_COUNT_TABLE_BLACKLIST):
+        with self.assertNumQueries(44, table_blacklist=QUERY_COUNT_TABLE_BLACKLIST):
             with check_mongo_calls(4):
                 url = course_updates_url(self.course)
                 self.client.get(url)