Making SelectCameraHandler and SceneControllerEditor more resilient.

Assets/DLU/Scripts/Editor/SceneControllerEditor.cs

@@ -15,10 +15,7 @@ public class SceneControllerEditor : Editor
     public override void OnInspectorGUI()
     {
         SceneController sc = (SceneController) target;
-        if (GUILayout.Button("Refresh list of semantic labels"))
-        {
         JSONHandler.instance.RefreshSemanticLabels();
-        }
 
         EditorGUILayout.Space();
         base.DrawDefaultInspector();

Assets/DLU/Scripts/SelectCameraHandler.cs

@@ -7,10 +7,9 @@ public class SelectCameraHandler : MonoBehaviour, IPointerClickHandler
     private Transform mainCamera;
     public Transform thisCamera;
 
-
     void Start()
     {
-        mainCamera = GameObject.Find($"Main Camera").transform;
+        mainCamera = Camera.main.transform;
         thisCamera = GameObject.Find($"Cameras/{name}").transform;
     }