[Bug] Softlock when Both Pokemon Faint Simultaneously to Perish Song while Transitioning from a Double to a Single battle

[Snailman11]

Describe the bug

When both of a player's active pokemon faint to Perish Song as a double battle transitions to a single battle, the game softlocks. -Reviving the pokemon in the first slot has the same result. -This does not occur for Doubles -> Doubles

Discord Bug report: (Niche Game Lock Involving Perish Song in Doubles) https://discord.com/channels/1125469663833370665/1280298649011884082

Session export file

No response

User data export file

No response

Expected behavior

It shouldn't softlock, a new pokemon should be properly sent out.

Screenshots / Videos

https://github.com/user-attachments/assets/09d2eeef-e5ca-4674-bf71-db9562715ae2

What OS did you observe the bug on?

Other

If other please specify

gameplay

Which browser do you use?

Other

If other please specify

gameplay

Additional context

No response

[DayKev]

What the heck? Another one of these weird ones...