title: how to fix Error in PageBuilder-magento 2.4.4
body: <p>On adding new block to cms page shows error on backend.but it works fine on frontend
  please check the below.
  using magento version 2.4.4
  <a href="https://i.stack.imgur.com/9U7dP.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/9U7dP.png" alt="error with pagebuilder" /></a></p>
  <p>Thanks in advance</p>