Fixed race condition: AJAX data fetch requests re-set sessions that should get deleted by logout request.

app/controllers/sessions_controller.rb

@@ -114,12 +114,13 @@ class SessionsController < ApplicationController
   # "Delete" a login, aka "log the user out"
   def destroy
 
+    reset_session
+
     # Remove the user id from the session
     @_current_user = nil
 
     # reset session
     request.env['rack.session.options'][:expire_after] = nil
-    session.clear
 
     render json: {}
   end