feat: Update the course end date block display logic

For self-paced courses, we have decided to switch to showing the end
date as long as it is within 365 days rather than the expected
duration of the course.

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

@@ -41,7 +41,7 @@ class TestCourseDatesFragmentView(ModuleStoreTestCase):
 
     def test_course_dates_fragment(self):
         response = self.client.get(self.dates_fragment_url)
-        self.assertContains(response, 'Course End')
+        self.assertContains(response, 'Course ends')
 
         self.client.logout()
         response = self.client.get(self.dates_fragment_url)