Use common positional adjustment for note blueprints

osu.Game.Rulesets.Mania/Edit/Blueprints/HoldNoteSelectionBlueprint.cs

@@ -49,7 +49,6 @@ protected override void Update()
             base.Update();
 
             Size = HitObject.DrawSize + new Vector2(0, HitObject.Tail.DrawHeight);
-            Position = Parent.ToLocalSpace(HitObject.ScreenSpaceDrawQuad.TopLeft);
 
             // This is a side-effect of not matching the hitobject's anchors/origins, which is kinda hard to do
             // When scrolling upwards our origin is already at the top of the head note (which is the intended location),

osu.Game.Rulesets.Mania/Edit/Blueprints/ManiaSelectionBlueprint.cs

@@ -5,6 +5,7 @@
 using osu.Framework.Input.Events;
 using osu.Game.Rulesets.Edit;
 using osu.Game.Rulesets.Objects.Drawables;
+using OpenTK;
 
 namespace osu.Game.Rulesets.Mania.Edit.Blueprints
 {
@@ -16,6 +17,13 @@ public ManiaSelectionBlueprint(DrawableHitObject hitObject)
             RelativeSizeAxes = Axes.None;
         }
 
+        protected override void Update()
+        {
+            base.Update();
+
+            Position = Parent.ToLocalSpace(HitObject.ToScreenSpace(Vector2.Zero));
+        }
+
         public override void AdjustPosition(DragEvent dragEvent)
         {
         }

osu.Game.Rulesets.Mania/Edit/Blueprints/NoteSelectionBlueprint.cs

@@ -32,7 +32,6 @@ protected override void Update()
             base.Update();
 
             Size = HitObject.DrawSize;
-            Position = Parent.ToLocalSpace(HitObject.ScreenSpaceDrawQuad.TopLeft);
         }
     }
 }