Creator Form - Form Submission Confirmation Popup not working

I have a form in Creator, and in the Form Properties, I have selected the checkbox for "Open form submission confirmation popup when Enter key is pressed". However it doesn't seem to work. When editing my form, if I enter a new value and press enter, it just submits the form immediately with the message "Data Updated Successfully" and closes the form.

I do have "On user input" form workflows for all my fields, so I wonder if that is interfering with ability to have the popup?

I either need the confirmation popup to work, or I need to disable form submission with the enter key so that they can only submit with a mouse click.

Thanks!