Process Invalid Arena ID Vote [CLF78]

[CLF78]

Same as the track version, but for battle mode.

NTSC-U
04612F38 60000000

PAL
04644358 60000000

NTSC-J
046439C4 60000000

NTSC-K
04632670 60000000

Notes:
- If you or someone else picks an invalid arena id, your game will not hang.
- The selected arena's name will be blank.

Code created by: CLF78