[ReflectionProbeEditor] Refactoring

ScriptableRenderPipeline/HDRenderPipeline/Editor/Lighting/HDReflectionProbeEditor.ProbeUtility.cs

         static Mesh s_SphereMesh;
         static int _Cubemap = Shader.PropertyToID("_Cubemap");
 
+        void ChangeVisibilityOfAllTargets(bool visibility)
+        {
+            for (var i = 0; i < targets.Length; ++i)
+            {
+                var p = (ReflectionProbe)targets[i];
+                ChangeVisibility(p, visibility);
+            }
+        }
+
+        void InitializeAllTargetProbes()
+        {
+            for (var i = 0; i < targets.Length; ++i)
+            {
+                var p = (ReflectionProbe)targets[i];
+                var a = (HDAdditionalReflectionData)m_AdditionalDataSerializedObject.targetObjects[i];
+                InitializeProbe(p, a);
+            }
+        }
+
 
         [InitializeOnLoadMethod]
         static void Initialize()

ScriptableRenderPipeline/HDRenderPipeline/Editor/Lighting/HDReflectionProbeEditor.cs

                 s_ReflectionProbeEditors[p] = this;
             }
 
-            for (var i = 0; i < targets.Length; ++i)
-            {
-                var p = (ReflectionProbe)targets[i];
-                var a = additionalData[i];
-                InitializeProbe(p, a);
-                ChangeVisibility(p, true);
-            }
+            InitializeAllTargetProbes();
+            ChangeVisibilityOfAllTargets(true);
-            for (var i = 0; i < targets.Length; ++i)
-            {
-                var p = (ReflectionProbe)targets[i];
-                ChangeVisibility(p, false);
-            }
+            ChangeVisibilityOfAllTargets(false);
         }
 
         public override void OnInspectorGUI()