Update Studio API to include highlights_enabled_for_messaging

cms/djangoapps/contentstore/views/item.py

@@ -1190,8 +1190,9 @@ def create_xblock_info(xblock, data=None, metadata=None, include_ancestor_info=F
             })
         elif xblock.category == 'chapter':
             xblock_info.update({
-                'highlights': getattr(xblock, 'highlights', []),
+                'highlights': xblock.highlights,
                 'highlights_enabled': highlights_setting.is_enabled(),
+                'highlights_enabled_for_messaging': course.highlights_enabled_for_messaging,
                 'highlights_preview_only': not COURSE_UPDATE_WAFFLE_FLAG.is_enabled(course.id),
                 'highlights_doc_url': HelpUrlExpert.the_one().url_for_token('content_highlights'),
             })

cms/djangoapps/contentstore/views/tests/test_item.py

@@ -2573,7 +2573,9 @@ class TestXBlockInfo(ItemTest):
             self.assertEqual(xblock_info['start'], DEFAULT_START_DATE.strftime('%Y-%m-%dT%H:%M:%SZ'))
 
     def test_highlights_enabled(self):
-        chapter = modulestore().get_item(self.chapter.location)
+        self.course.highlights_enabled_for_messaging = True
+        self.store.update_item(self.course, None)
+        chapter = self.store.get_item(self.chapter.location)
         with highlights_setting.override():
             xblock_info = create_xblock_info(chapter)
             self.assertTrue(xblock_info['highlights_enabled'])
@@ -2606,6 +2608,7 @@ class TestXBlockInfo(ItemTest):
         self.assertEqual(xblock_info['format'], None)
         self.assertEqual(xblock_info['highlights'], self.chapter.highlights)
         self.assertFalse(xblock_info['highlights_enabled'])
+        self.assertFalse(xblock_info['highlights_enabled_for_messaging'])
 
         # Finally, validate the entire response for consistency
         self.validate_xblock_info_consistency(xblock_info, has_child_info=has_child_info)