Hi, As CRM cards are presented inside iframes, there are associated properties with it. One of them is called "sandbox", which specifies what is allowed and not. One of the features we want to implement is a confirmation dialog whenever a user tries to close the CRM card. To implement this, we implement "window.onbeforeunload", and use the "confirm" method in javascript. Provided this context, when we tried this, we found that the iframe's "sandbox" attribute does not have the "allow-modal" value in it. Can you please make this small change so we can implement the functionality mentioned above?
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