Closes https://github.com/ppy/osu/issues/27589. Follows osu! spinner precedent in storing the holding state to the judgement result rather than attempting to keep it in the DHO (which is prone to getting dropped on pool re-use).
Everyone is right, too much inheritance and polymorphism backfires very badly.
Add argon/classic osu!mania combo counter
DrawableJudgement
ISkinComponent
ISkinLookup
KeyArea
Use `TestSceneStage` instead.
Column.AccentColour
Beatmap
ManiaLegacySkinTransformer
StageDefinition
ManiaSkinComponent
ColumnType
BarLine
ColumnHitObjectArea
No longer used since 5692cecaa4.
5692cecaa4