Fix up sizing issues.

osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableDrumRollTick.cs

@@ -18,6 +18,14 @@ namespace osu.Game.Rulesets.Taiko.Objects.Drawables
             FillMode = FillMode.Fit;
         }
 
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            // We need to set this here because RelativeSizeAxes won't/can't set our size by default with a different RelativeChildSize
+            Width *= Parent.RelativeChildSize.X;
+        }
+
         protected override TaikoPiece CreateMainPiece() => new TickPiece
         {
             Filled = HitObject.FirstTick