Possible better naming for RememberCopies / RememberNewCard params

[Northmoc]

Perhaps "RememberCopy" is a better alternative name for the new param, but this is debatable, I like this variant as well :)

"RememberCopies" is part of Demonstrate, but that might be better renamed "RememberCopied" or "RememberCopySource" as it remembers the SpellAbility that is copied, not the resulting card on the stack

Originally posted by @Northmoc in https://github.com/Card-Forge/forge/issues/1176#issuecomment-1193065377