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

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)
     {