Allow more options for when the titlecard shows up

Merged colette requested to merge fickleheart/SRB2:titlecard-options into next

ShowTitlecardFor = First,Respawn,RecordAttack is equivalent to ShowTitlecardFor = All is equivalent to original behavior. ShowTitlecardFor = None is equivalent to NoTitlecard = true. Allows setting a title card to show up only on entering a map (not on retry or death), or maybe not in record attack, or maybe ONLY in record attack? idk

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