BUR #19405 has been approved by @nonamethanks.
rename training_centre_ondo_outfit_(umamusume) -> tracen_ondo_outfit_(umamusume)
The other shared costumes listed in List of Umamusume costumes have "tracen" rather than "training center", in accordance to the fact that the Tracen Academy is never refered to as the "Training Center Academy" in-universe or other official materials, including the very name of the song...
Ref.
https://dic.pixiv.net/a/%E3%83%88%E3%83%AC%E3%82%BB%E3%83%B3%E9%9F%B3%E9%A0%AD
https://www.youtube.com/watch?v=79GU_AbkQ0w