Needs Triage Imposter is Shared in Random Battle Mayhem

[InkyDarkBird]

What type of bug are you reporting? Random Battles

What is the bug?
In Random Battle Mayhem, Impostor is now shared with teammates again, instead of being restricted.

Present:
https://replay.pokemonshowdown.com/...-2349359159-724iuyqxghsnrab5dmtci8qa31w8tarpw
https://replay.pokemonshowdown.com/gen9randombattlemayhem-2311916425
https://replay.pokemonshowdown.com/gen9randombattlemayhem-2304411562 (Feb 2024)

Past (Jan 2024):
https://replay.pokemonshowdown.com/gen9randombattlemayhem-2282916513

Are you able to replicate it? If so, how?
Generate Ditto in a Random Battle Mayhem game.