feat: connect teams with content groups using dynamic partition generator (#33788)

Implements the connection from the teams feature to the content groups feature. This implementation uses the dynamic partition generator extension point to associate content groups with the users that belong to a Team.

This implementation was heavily inspired by the enrollment tracks dynamic partitions.

xmodule/tests/test_course_block.py

@@ -320,7 +320,8 @@ class TeamsConfigurationTestCase(unittest.TestCase):
             "description": description,
             "id": topic_id,
             "type": "open",
-            "max_team_size": None
+            "max_team_size": None,
+            "user_partition_id": None,
         }
 
     def test_teams_enabled_new_course(self):