Preliminary screen rotation work

Assets/Scripts/Core/SceneManagerService.cs

@@ -201,6 +201,15 @@ public class SceneManagerService : MonoBehaviour
     // Switches from current gameplay scene to a new one
     public async Task SwitchSceneAsync(string newSceneName, IProgress<float> progress = null)
     {
+        // Remove all AstarPath (A* Pathfinder) singletons before loading the new scene
+        var astarPaths = FindObjectsByType<AstarPath>(FindObjectsSortMode.None);
+        foreach (var astar in astarPaths)
+        {
+            if (Application.isPlaying)
+                Destroy(astar.gameObject);
+            else
+                DestroyImmediate(astar.gameObject);
+        }
         // Load new scene
         await LoadSceneAsync(newSceneName, progress);
         // Unload previous scene (if not same)