Fixed Possible Broken Cases

Runtime/Controllers/FirstPersonController.cs

 
         public void OnValidate()
         {
-            if (m_Controller == null)
-                m_Controller = GetComponent<CharacterController>();
-
-            m_Camera.transform.localPosition = new Vector3(0, PlayerHeight, 0);
+            if(m_Camera != null)
+                m_Camera.transform.localPosition = new Vector3(0, PlayerHeight, 0);
         }
 
         public void UpdateRotation()