Fix PlayerSpawnController bug that sometimes caused player to spawn in wrong location

Assets/Scenes/Temple/TempleB.unity

@@ -312,7 +312,7 @@ MeshRenderer:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 455432347}
-  m_Enabled: 1
+  m_Enabled: 0
   m_CastShadows: 1
   m_ReceiveShadows: 1
   m_DynamicOccludee: 1
@@ -1383,7 +1383,7 @@ PrefabInstance:
       objectReference: {fileID: 0}
     - target: {fileID: 7190262219221540737, guid: b273c0298305ae84e9a55d1de630edc0, type: 3}
       propertyPath: m_LocalPosition.y
-      value: 24.68
+      value: 23
       objectReference: {fileID: 0}
     - target: {fileID: 7190262219221540737, guid: b273c0298305ae84e9a55d1de630edc0, type: 3}
       propertyPath: m_LocalPosition.z

Assets/Scripts/GameManager/PlayerSpawnController.cs

@@ -1,3 +1,4 @@
+using System.Linq;
 using UnityEngine;
 
 public class PlayerSpawnController : MonoBehaviour
@@ -9,7 +10,17 @@ public class PlayerSpawnController : MonoBehaviour
   [SerializeField]
   private GameObject _spawnLocation;
 
-  void Awake()
+
+  private void Awake()
+  {
+    var otherSpawnControllers = FindObjectsOfType<PlayerSpawnController>().Except(new[] { this });
+    if (otherSpawnControllers.Any())
+      Destroy(this);
+    else
+      DontDestroyOnLoad(this);
+  }
+
+  private void Start()
   {
     if (GameObject.FindGameObjectWithTag("Player") != null)
     {

Assets/SpawnPoints/Temple C To Temple B.prefab

@@ -27,7 +27,7 @@ Transform:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 7190262219221540742}
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
-  m_LocalPosition: {x: 26.18, y: 24.68, z: -18.753551}
+  m_LocalPosition: {x: 26.18, y: 23, z: -18.753551}
   m_LocalScale: {x: 1, y: 1, z: 1}
   m_ConstrainProportionsScale: 0
   m_Children: []