fix: design updates and block actions when masquerading (#24)

src/data/services/lms/urls.js

@@ -8,7 +8,7 @@ const api = `${baseUrl}/api/`;
 // const init = `${api}learner_home/mock/init`; // mock endpoint for testing
 const init = `${api}learner_home/init`;
 
-const courseUnenroll = `${api}/courses/unenroll`; // TODO: Fix
+const courseUnenroll = `${baseUrl}/change_enrollment`;
 const updateEmailSettings = `${api}/change_email_settings`;
 const entitlementEnrollment = (uuid) => `${api}/entitlements/v1/entitlements/${uuid}/enrollments`;