Merge pull request #2933 from techAPJ/patch-1

trivial update to allow api endpoint for sync_sso

app/controllers/admin/users_controller.rb

@@ -263,7 +263,7 @@ class Admin::UsersController < Admin::AdminController
       return
     end
 
-    sso = DiscourseSingleSignOn.parse(request.query_string)
+    sso = DiscourseSingleSignOn.parse("sso=#{params[:sso]}&sig=#{params[:sig]}")
     user = sso.lookup_or_create_user
 
     render_serialized(user, AdminDetailedUserSerializer, root: false)