chore: address pr review

Author: BryanttV

cms/djangoapps/contentstore/views/course.py

@@ -844,10 +844,26 @@ def _get_course_keys_from_platform_scope() -> set[CourseKey]:
     }
 
 
-def _get_course_keys_from_scopes(authz_scopes: list[ScopeData]):
+def _get_course_keys_from_scopes(authz_scopes: list[ScopeData]) -> set[CourseKey]:
     """
-    Convert a set of Authz scopes into specific course keys.
+    Convert authorization scopes into a set of accessible course keys.
+
+    This function processes authorization scopes with the following precedence:
+    1. Platform-wide access (PlatformCourseOverviewGlobData): Returns all courses
+    2. Course-specific access (CourseOverviewData): Returns individual course keys
+    3. Organization-wide access (OrgCourseOverviewGlobData): Returns all courses in specified orgs
+
+    Only courses with the authz course authoring toggle enabled are included.
+
+    Args:
+        authz_scopes: List of authorization scope data objects from the authz system.
+
+    Returns:
+        set[CourseKey]: Set of course keys the user has access to based on their scopes.
     """
+    if any(isinstance(access, PlatformCourseOverviewGlobData) for access in authz_scopes):
+        return _get_course_keys_from_platform_scope()
+
     course_keys = set()
     org_keys = set()
 
@@ -857,14 +873,13 @@ def _get_course_keys_from_scopes(authz_scopes: list[ScopeData]):
                 course_keys.add(access.course_key)
         elif isinstance(access, OrgCourseOverviewGlobData) and access.org:
             org_keys.add(access.org)
-        elif isinstance(access, PlatformCourseOverviewGlobData):
-            return _get_course_keys_from_platform_scope()
 
     if org_keys:
         course_keys.update(
             key for key in _get_course_keys_for_org_scope(org_keys)
             if core_toggles.enable_authz_course_authoring(key)
         )
+
     return course_keys