Use getters of `OriginalX` and `XOffset`

osu.Game.Rulesets.Catch/Edit/CatchSelectionHandler.cs

@@ -33,11 +33,11 @@ public override bool HandleMovement(MoveSelectionEvent<HitObject> moveEvent)
                 if (hitObject is BananaShower) return;
 
                 // TODO: confine in bounds
-                hitObject.OriginalXBindable.Value += deltaX;
+                hitObject.OriginalX += deltaX;
 
                 // Move the nested hit objects to give an instant result before nested objects are recreated.
                 foreach (var nested in hitObject.NestedHitObjects.OfType<CatchHitObject>())
-                    nested.OriginalXBindable.Value += deltaX;
+                    nested.OriginalX += deltaX;
             });
 
             return true;

osu.Game.Rulesets.Catch/Objects/CatchHitObject.cs

@@ -64,7 +64,7 @@ public float OriginalX
         /// This value is the original <see cref="X"/> value plus the offset applied by the beatmap processing.
         /// Use <see cref="OriginalX"/> if a value not affected by the offset is desired.
         /// </remarks>
-        public float EffectiveX => OriginalXBindable.Value + XOffsetBindable.Value;
+        public float EffectiveX => OriginalX + XOffset;
 
         public double TimePreempt { get; set; } = 1000;