Merge pull request #23180 from edx/dcs/learning-slash

Learning MFE URL should not have a slash

lms/envs/devstack.py

@@ -295,4 +295,4 @@ EDXNOTES_INTERNAL_API = 'http://edx.devstack.edxnotesapi:18120/api/v1'
 EDXNOTES_CLIENT_NAME = 'edx_notes_api-backend-service'
 
 ############## Settings for Microfrontends  #########################
-LEARNING_MICROFRONTEND_URL = 'http://localhost:2000/'
+LEARNING_MICROFRONTEND_URL = 'http://localhost:2000'

lms/templates/preview_menu.html

@@ -21,7 +21,7 @@ show_preview_menu = course and can_masquerade and supports_preview_menu
 
     def get_mfe_link():
       if section:
-          mfe_link = '{}course/{}/{}'.format(settings.LEARNING_MICROFRONTEND_URL, course.id, section.location)
+          mfe_link = '{}/course/{}/{}'.format(settings.LEARNING_MICROFRONTEND_URL, course.id, section.location)
           if unit:
             mfe_link += '/' + unit
       else: