I would also like to be able to copy over data from the fields into the cloned story. I don't have any automation add-ons or ScriptRunner, I am trying to see if this is possible to do in the Automation settings of Jira Cloud Premium. Thank you!
Yes, it is possible and since you are on Jira Cloud you also have access to Automation. Just go to Project settings > Automation and create the rule from here. Your rule would look something like this:
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