fix: ColourInfo.Colour → ColourInfo.TopLeft.SRGB in TestSceneHyperDashColouring

Agent-Logs-Url: https://github.com/winnerspiros/osu/sessions/b4752d8a-e6d0-4e57-bd91-82deacfd4ee3

Co-authored-by: winnerspiros <1675249+winnerspiros@users.noreply.github.com>

Author: Copilot

osu.Game.Rulesets.Catch.Tests/TestSceneHyperDashColouring.cs

@@ -187,7 +187,7 @@ private Drawable setupSkinHierarchy(Drawable child, ISkin skin)
 
         private bool checkLegacyFruitHyperDashColour(DrawableFruit fruit, Colour4 expectedColour) =>
             fruit.ChildrenOfType<SkinnableDrawable>().FirstOrDefault()?.Drawable.ChildrenOfType<Sprite>()
-                 .Any(c => c.Colour.Colour.R == expectedColour.R && c.Colour.Colour.G == expectedColour.G && c.Colour.Colour.B == expectedColour.B) == true;
+                 .Any(c => c.Colour.TopLeft.SRGB.R == expectedColour.R && c.Colour.TopLeft.SRGB.G == expectedColour.G && c.Colour.TopLeft.SRGB.B == expectedColour.B) == true;
 
         private class TestSkin : LegacySkin
         {