renamed folders and scenes

Assets/Scenes/ARFoundationMenu/Menu.unity

   - component: {fileID: 420944461}
   - component: {fileID: 420944460}
   m_Layer: 5
-  m_Name: Sinagle Prefab Tracking
+  m_Name: Basic Image Tracking
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
     m_PersistentCalls:
       m_Calls:
       - m_Target: {fileID: 774532498}
-        m_MethodName: SinglePrefabTrackingButtonPressed
+        m_TargetAssemblyTypeName: UnityEngine.XR.ARFoundation.Samples.ARSceneSelectUI,
+          Assembly-CSharp
+        m_MethodName: BasicImageTrackingButtonPressed
         m_Mode: 1
         m_Arguments:
           m_ObjectArgument: {fileID: 0}
   m_Material: {fileID: 0}
   m_Color: {r: 1, g: 1, b: 1, a: 1}
   m_RaycastTarget: 1
+  m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1
   m_OnCullStateChanged:
     m_PersistentCalls:
   m_Material: {fileID: 0}
   m_Color: {r: 0.19607843, g: 0.19607843, b: 0.19607843, a: 1}
   m_RaycastTarget: 1
+  m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1
   m_OnCullStateChanged:
     m_PersistentCalls:
     m_PersistentCalls:
       m_Calls:
       - m_Target: {fileID: 774532498}
+        m_TargetAssemblyTypeName: 
         m_MethodName: BackButtonPressed
         m_Mode: 1
         m_Arguments:
   m_Material: {fileID: 0}
   m_Color: {r: 1, g: 1, b: 1, a: 1}
   m_RaycastTarget: 1
+  m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1
   m_OnCullStateChanged:
     m_PersistentCalls:
   m_Material: {fileID: 0}
   m_Color: {r: 1, g: 1, b: 1, a: 1}
   m_RaycastTarget: 1
+  m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1
   m_OnCullStateChanged:
     m_PersistentCalls:
     m_HorizontalOverflow: 0
     m_VerticalOverflow: 0
     m_LineSpacing: 1
-  m_Text: Single Prefab Image Tracking
+  m_Text: Basic Image Tracking
 --- !u!222 &1196527570
 CanvasRenderer:
   m_ObjectHideFlags: 0
   m_Material: {fileID: 0}
   m_Color: {r: 0.19607843, g: 0.19607843, b: 0.19607843, a: 1}
   m_RaycastTarget: 1
+  m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1
   m_OnCullStateChanged:
     m_PersistentCalls:
     m_HorizontalOverflow: 0
     m_VerticalOverflow: 0
     m_LineSpacing: 1
-  m_Text: Multi Prefab Image Tracking
+  m_Text: Multi Image Tracking
 --- !u!222 &1555465368
 CanvasRenderer:
   m_ObjectHideFlags: 0
   m_TargetGraphic: {fileID: 1130901186}
   m_HandleRect: {fileID: 1130901185}
   m_Direction: 2
-  m_Value: 0.9999998
-  m_Size: 0.37014005
+  m_Value: 0
+  m_Size: 1
   m_NumberOfSteps: 0
   m_OnValueChanged:
     m_PersistentCalls:
   - component: {fileID: 2011106401}
   - component: {fileID: 2011106400}
   m_Layer: 5
-  m_Name: Multi Prefab Tracking
+  m_Name: Multi Image Tracking
   m_TagString: Untagged
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
     m_PersistentCalls:
       m_Calls:
       - m_Target: {fileID: 774532498}
-        m_MethodName: MultiPrefabTrackingButtonPressed
+        m_TargetAssemblyTypeName: UnityEngine.XR.ARFoundation.Samples.ARSceneSelectUI,
+          Assembly-CSharp
+        m_MethodName: MultiImagesTrackingButtonPressed
         m_Mode: 1
         m_Arguments:
           m_ObjectArgument: {fileID: 0}
   m_Material: {fileID: 0}
   m_Color: {r: 1, g: 1, b: 1, a: 1}
   m_RaycastTarget: 1
+  m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
   m_Maskable: 1
   m_OnCullStateChanged:
     m_PersistentCalls:

Assets/Scenes/ImageTracking/Multi Image Tracking/MultiTrackedImageInfoManager.cs

         void AssignPrefab(ARTrackedImage trackedImage)
         {
             if (m_PrefabsDictionary.TryGetValue(trackedImage.referenceImage.guid, out GameObject prefab))
-                m_Instantiated.Add(trackedImage.referenceImage.guid, Instantiate(prefab, trackedImage.transform));
+                m_Instantiated[trackedImage.referenceImage.guid] = Instantiate(prefab, trackedImage.transform);
         }
 
         public GameObject GetPrefabForReferenceImage(XRReferenceImage referenceImage)

Assets/Scripts/UX/ARSceneSelectUI.cs

             m_AllMenu.SetActive(false);
         }
 
-        public void SinglePrefabTrackingButtonPressed()
+        public void BasicImageTrackingButtonPressed()
-            LoadScene("ImageTracking");
+            LoadScene("BasicImageTracking");
-        public void MultiPrefabTrackingButtonPressed()
+        public void MultiImagesTrackingButtonPressed()
-            LoadScene("Multi-Image Tracking");
+            LoadScene("MultiImageTracking");
         }
 
         public void AnchorsButtonPressed()

ProjectSettings/EditorBuildSettings.asset

     path: Assets/Scenes/Depth/SimpleOcclusion.unity
     guid: 50a69364b393d4ce8a8b3589422b67b7
   - enabled: 1
-    path: Assets/Scenes/ImageTracking/Single Prefab - Image Tracking/ImageTracking.unity
+    path: Assets/Scenes/ImageTracking/Basic Image Tracking/BasicImageTracking.unity
-    path: Assets/Scenes/ImageTracking/Multi Prefab - Image Tracking/Multi-Image Tracking.unity
+    path: Assets/Scenes/ImageTracking/Multi Image Tracking/MultiImageTracking.unity
     guid: a1bf0e7b9cece455f81c1d2731ba76e7
   - enabled: 1
     path: Assets/Scenes/LightEstimation/LightEstimation.unity