Merge pull request #15549 from edx/george/git-import-sysadmin

Disable Git Import view for professor's who are not staff

lms/templates/instructor/instructor_dashboard_2/course_info.html

@@ -104,7 +104,7 @@ from openedx.core.djangolib.markup import HTML, Text
     </li>
   </ul>
 
-  %if settings.FEATURES.get('ENABLE_SYSADMIN_DASHBOARD', ''):
+  %if settings.FEATURES.get('ENABLE_SYSADMIN_DASHBOARD', '') and user.is_staff:
       <p>
         ## Translators: git is a version-control system; see http://git-scm.com/about
         ${Text(_("View detailed Git import logs for this course {link_start}by clicking here{link_end}.")).format(