Revert "remove null check for netowner change"

This reverts commit 5a46319.

Author: Doxoh

api/AltV.Net/Core.Events.cs

@@ -979,6 +979,11 @@ public virtual void OnPlayerWeaponChangeEvent(IntPtr eventPointer, IPlayer playe
         public void OnNetOwnerChange(IntPtr eventPointer, IntPtr targetEntityPointer, BaseObjectType targetEntityType, IntPtr oldNetOwnerPointer, IntPtr newNetOwnerPointer)
         {
             var targetEntity = (IEntity)PoolManager.Get(targetEntityPointer, targetEntityType);
+            if (targetEntity is null)
+            {
+                Console.WriteLine("OnNetOwnerChange Invalid targetEntity " + targetEntity);
+                return;
+            }
 
             var oldPlayer = PoolManager.Player.Get(oldNetOwnerPointer);
             var newPlayer = PoolManager.Player.Get(newNetOwnerPointer);