Merge branch '506-wordpress-sso-not-working' into 'master'

Resolve "WordPress SSO not working"

Closes #506

See merge request openappstack/openappstack!220

ansible/roles/apps/templates/single-sign-on-settings.yaml

@@ -101,7 +101,11 @@ oAuthClients:
   tokenEndpointAuthMethod: "client_secret_post"
   responseTypes:
     - "code"
+    - "id_token"
   grantTypes:
+    - "authorization_code"
+    - "refresh_token"
+    - "client_credentials"
     - "implicit"
 - clientName: *GRAFANA
   clientSecret: "{{ grafana_oauth_client_secret }}"