feat: Add a new way to enable/disable teams [BD-38] [TNL-9175] [BB-5066] (#29099)

* feat: Add a new way to enable/disable teams

Adds a new mechanism for enabling/disabling the team feature in a course using an 'enabled' field to the teams config.
If this field is set to true, teams is enabled (team sets/groups) still need to be defined. If this is set to false then teams is disabled whether or not team sets are defined.

* fix: review feedback

lms/djangoapps/teams/plugins.py

@@ -12,6 +12,8 @@ from lms.djangoapps.courseware.tabs import EnrolledTab
 from lms.djangoapps.teams.waffle import ENABLE_TEAMS_APP
 from openedx.core.djangoapps.content.course_overviews.models import CourseOverview
 from openedx.core.djangoapps.course_apps.plugins import CourseApp
+from openedx.core.lib.courses import get_course_by_id
+from xmodule.modulestore.django import modulestore
 from . import is_feature_enabled
 
 
@@ -64,11 +66,30 @@ class TeamsCourseApp(CourseApp):
 
     @classmethod
     def is_enabled(cls, course_key: CourseKey) -> bool:
+        """
+        Returns the enabled status of teams.
+
+        Args:
+            course_key (CourseKey): The course for which to fetch the status of teams
+        """
         return CourseOverview.get_from_id(course_key).teams_enabled
 
     @classmethod
     def set_enabled(cls, course_key: CourseKey, enabled: bool, user: User) -> bool:
-        raise ValueError("Teams cannot be enabled/disabled via this API.")
+        """
+        Returns the enabled status of teams.
+        Args:
+            course_key (CourseKey): The course for which to set the status of teams
+            enabled (bool): The new satus for the app.
+            user (User): The user performing the operation
+
+        Returns:
+            (bool): the new status of the app
+        """
+        course = get_course_by_id(course_key)
+        course.teams_configuration.is_enabled = enabled
+        modulestore().update_item(course, user.id)
+        return enabled
 
     @classmethod
     def get_allowed_operations(cls, course_key: CourseKey, user: Optional[User] = None) -> Dict[str, bool]:
@@ -76,6 +97,6 @@ class TeamsCourseApp(CourseApp):
         Return allowed operations for teams app.
         """
         return {
-            "enable": False,
+            "enable": True,
             "configure": True,
         }