Merge PR #67 toggle/course-sock

* Commits:
  Show course-sock only when the API says so

src/courseware/course/Course.jsx

@@ -60,6 +60,7 @@ function Course({
 
   if (courseStatus === 'loaded') {
     const {
+      canShowUpgradeSock,
       org, number, title, isStaff, tabs, verifiedMode,
     } = course;
     return (
@@ -107,7 +108,7 @@ function Course({
             nextSequenceHandler={nextSequenceHandler}
             previousSequenceHandler={previousSequenceHandler}
           />
-          {verifiedMode && <CourseSock verifiedMode={verifiedMode} />}
+          {canShowUpgradeSock && verifiedMode && <CourseSock verifiedMode={verifiedMode} />}
           <ContentTools course={course} />
         </div>
       </>

src/data/api.js

@@ -5,6 +5,7 @@ import { logError } from '@edx/frontend-platform/logging';
 
 function normalizeMetadata(metadata) {
   return {
+    canShowUpgradeSock: metadata.can_show_upgrade_sock,
     contentTypeGatingEnabled: metadata.content_type_gating_enabled,
     // TODO: TNL-7185: return course expired _date_, instead of _message_
     courseExpiredMessage: metadata.course_expired_message,