fix: Multiple Additive Scenes - wrong mesh and materials

Assets/Mirror/Examples/MultipleAdditiveScenes/Prefabs/Icosphere.prefab

@@ -40,7 +40,7 @@ MeshFilter:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 5513112217680870096}
-  m_Mesh: {fileID: 4300000, guid: eea2ee63e29c7fb47b752b62fb1f7be2, type: 3}
+  m_Mesh: {fileID: 4300000, guid: 1fe56a0e685b8434ebfeb53c69b59a5e, type: 3}
 --- !u!23 &5513112217678603280
 MeshRenderer:
   m_ObjectHideFlags: 0
@@ -55,10 +55,11 @@ MeshRenderer:
   m_MotionVectors: 1
   m_LightProbeUsage: 1
   m_ReflectionProbeUsage: 1
+  m_RayTracingMode: 2
   m_RenderingLayerMask: 1
   m_RendererPriority: 0
   m_Materials:
-  - {fileID: 2100000, guid: 883a7db7f994aab478a4380ad50eda70, type: 2}
+  - {fileID: 2100000, guid: 7e6bf26596c6f564097734c7cc319e15, type: 2}
   m_StaticBatchInfo:
     firstSubMesh: 0
     subMeshCount: 0
@@ -89,10 +90,10 @@ MeshCollider:
   m_Material: {fileID: 13400000, guid: 47163bc0301c1a146bbaa4d539a6ac36, type: 2}
   m_IsTrigger: 0
   m_Enabled: 1
-  serializedVersion: 3
+  serializedVersion: 4
   m_Convex: 1
-  m_CookingOptions: 14
-  m_Mesh: {fileID: 4300000, guid: eea2ee63e29c7fb47b752b62fb1f7be2, type: 3}
+  m_CookingOptions: 30
+  m_Mesh: {fileID: 4300000, guid: 1fe56a0e685b8434ebfeb53c69b59a5e, type: 3}
 --- !u!1 &5513112217680870098
 GameObject:
   m_ObjectHideFlags: 0
@@ -144,6 +145,7 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   sceneId: 0
   serverOnly: 0
+  visible: 0
   m_AssetId: 
   hasSpawned: 0
 --- !u!114 &-5073764247860119520

Assets/Mirror/Examples/MultipleAdditiveScenes/Scenes/Game.unity

@@ -173,6 +173,16 @@ PrefabInstance:
       propertyPath: m_Mesh
       value: 
       objectReference: {fileID: 4300000, guid: 1fe56a0e685b8434ebfeb53c69b59a5e, type: 3}
+    - target: {fileID: 5513112217677473488, guid: a104de86221e66a48832c222471d4f1e,
+        type: 3}
+      propertyPath: m_Mesh
+      value: 
+      objectReference: {fileID: 4300000, guid: 1fe56a0e685b8434ebfeb53c69b59a5e, type: 3}
+    - target: {fileID: 5513112217678603280, guid: a104de86221e66a48832c222471d4f1e,
+        type: 3}
+      propertyPath: m_Materials.Array.data[0]
+      value: 
+      objectReference: {fileID: 2100000, guid: 7e6bf26596c6f564097734c7cc319e15, type: 2}
     - target: {fileID: 5513112217680870098, guid: a104de86221e66a48832c222471d4f1e,
         type: 3}
       propertyPath: m_Name
@@ -258,6 +268,16 @@ PrefabInstance:
       propertyPath: m_Mesh
       value: 
       objectReference: {fileID: 4300000, guid: 1fe56a0e685b8434ebfeb53c69b59a5e, type: 3}
+    - target: {fileID: 5513112217677473488, guid: a104de86221e66a48832c222471d4f1e,
+        type: 3}
+      propertyPath: m_Mesh
+      value: 
+      objectReference: {fileID: 4300000, guid: 1fe56a0e685b8434ebfeb53c69b59a5e, type: 3}
+    - target: {fileID: 5513112217678603280, guid: a104de86221e66a48832c222471d4f1e,
+        type: 3}
+      propertyPath: m_Materials.Array.data[0]
+      value: 
+      objectReference: {fileID: 2100000, guid: 7e6bf26596c6f564097734c7cc319e15, type: 2}
     - target: {fileID: 5513112217680870098, guid: a104de86221e66a48832c222471d4f1e,
         type: 3}
       propertyPath: m_Name
@@ -343,6 +363,16 @@ PrefabInstance:
       propertyPath: m_Mesh
       value: 
       objectReference: {fileID: 4300000, guid: 1fe56a0e685b8434ebfeb53c69b59a5e, type: 3}
+    - target: {fileID: 5513112217677473488, guid: a104de86221e66a48832c222471d4f1e,
+        type: 3}
+      propertyPath: m_Mesh
+      value: 
+      objectReference: {fileID: 4300000, guid: 1fe56a0e685b8434ebfeb53c69b59a5e, type: 3}
+    - target: {fileID: 5513112217678603280, guid: a104de86221e66a48832c222471d4f1e,
+        type: 3}
+      propertyPath: m_Materials.Array.data[0]
+      value: 
+      objectReference: {fileID: 2100000, guid: 7e6bf26596c6f564097734c7cc319e15, type: 2}
     - target: {fileID: 5513112217680870098, guid: a104de86221e66a48832c222471d4f1e,
         type: 3}
       propertyPath: m_Name
@@ -621,6 +651,16 @@ PrefabInstance:
       propertyPath: m_Mesh
       value: 
       objectReference: {fileID: 4300000, guid: 1fe56a0e685b8434ebfeb53c69b59a5e, type: 3}
+    - target: {fileID: 5513112217677473488, guid: a104de86221e66a48832c222471d4f1e,
+        type: 3}
+      propertyPath: m_Mesh
+      value: 
+      objectReference: {fileID: 4300000, guid: 1fe56a0e685b8434ebfeb53c69b59a5e, type: 3}
+    - target: {fileID: 5513112217678603280, guid: a104de86221e66a48832c222471d4f1e,
+        type: 3}
+      propertyPath: m_Materials.Array.data[0]
+      value: 
+      objectReference: {fileID: 2100000, guid: 7e6bf26596c6f564097734c7cc319e15, type: 2}
     - target: {fileID: 5513112217680870098, guid: a104de86221e66a48832c222471d4f1e,
         type: 3}
       propertyPath: m_Name