Merge branch '518-update-oidc-metadata-scopes' into 'master'

Resolve "update oidc metadata scopes"

Closes #518

See merge request !704

oidc/edu-unl-unpd0026.xml

@@ -5,7 +5,7 @@
     <md:SPSSODescriptor protocolSupportEnumeration="http://openid.net/specs/openid-connect-core-1_0.html">
         <md:Extensions>
             <oidcmd:OAuthRPExtensions
-                grant_types="authorization_code+refresh_token"
+                grant_types="authorization_code refresh_token"
                 response_types="code+id_token"
                 token_endpoint_auth_method="client_secret_basic"
                 scopes="openid profile email offline_access" />