[Port] [6000.3] [SRP] Fix building errors with RSUV sample

Author: svc-reach-platform-support

Packages/com.unity.render-pipelines.core/Samples~/RendererShaderUserValue_Common/Scripts/VertexAnimationTextureBaker.cs

@@ -1,3 +1,4 @@
+#if UNITY_EDITOR
 using UnityEngine;
 using UnityEditor;
 using System.Collections.Generic;
@@ -122,4 +123,5 @@ void BakeVATArray(GameObject target, List<AnimationClip> clips, int fps)
 
         Debug.Log($"VAT Array (RGBAHalf) baked: {path} with {clips.Count} clips. Max frames = {maxFrames}");
     }
-}
+}
+#endif