Make sysadmin dashboard feature flag overridable

playbooks/roles/edxapp/defaults/main.yml

@@ -153,6 +153,8 @@ EDXAPP_ENABLE_CREDIT_API: false
 
 EDXAPP_CUSTOM_COURSES_EDX: false
 
+EDXAPP_ENABLE_SYSADMIN_DASHBOARD: false
+
 EDXAPP_GIT_REPO_DIR: '/edx/var/edxapp/course_repos'
 EDXAPP_GIT_REPO_EXPORT_DIR: '/edx/var/edxapp/export_course_repos'
 
@@ -207,6 +209,7 @@ EDXAPP_FEATURES:
   ENABLE_CREDIT_ELIGIBILITY: "{{ EDXAPP_ENABLE_CREDIT_ELIGIBILITY }}"
   ENABLE_SPECIAL_EXAMS: false
   ENABLE_OAUTH2_PROVIDER: "{{ EDXAPP_ENABLE_OAUTH2_PROVIDER }}"
+  ENABLE_SYSADMIN_DASHBOARD: "{{ EDXAPP_ENABLE_SYSADMIN_DASHBOARD }}"
   ENABLE_MOBILE_REST_API: "{{ EDXAPP_ENABLE_MOBILE_REST_API }}"
   CUSTOM_COURSES_EDX: "{{ EDXAPP_CUSTOM_COURSES_EDX }}"
 

playbooks/sample_vars/server_vars.yml

@@ -123,6 +123,7 @@
 #  LICENSING: true
 #  CERTIFICATES_HTML_VIEW: true
 #  CUSTOM_COURSES_EDX: true
+#  ENABLE_SYSADMIN_DASHBOARD: true
 #
 #EDXAPP_CORS_ORIGIN_WHITELIST:
 #  - "example.org"