Fix 3d object thumbnails

- Fixes a game crash after a desync
- Fixes it so you can actually see the object

TSOClient/tso.world/Platform/WorldPlatform3D.cs

@@ -27,6 +27,9 @@ public void Dispose()
         {
             LotThumbTarget?.Dispose();
             ObjThumbTarget?.Dispose();
+
+            LotThumbTarget = null;
+            ObjThumbTarget = null;
         }
 
         public void SwapBlueprint(Blueprint bp)
@@ -241,8 +244,8 @@ public Texture2D GetObjectThumb(ObjectComponent[] objects, Vector3[] positions,
 
             gd.SetRenderTarget(ObjThumbTarget);
             var cpoints = new List<Vector3>();
-            var view = state.View;
-            var vp = view * state.Projection;
+            var view = cam.View;
+            var vp = view * cam.Projection;
             gd.BlendState = BlendState.NonPremultiplied;
             gd.RasterizerState = RasterizerState.CullNone;
             gd.DepthStencilState = DepthStencilState.Default;
@@ -265,11 +268,13 @@ public Texture2D GetObjectThumb(ObjectComponent[] objects, Vector3[] positions,
                 var oldObjRot = obj.Direction;
                 var oldObjPos = obj.UnmoddedPosition;
                 var oldRoom = obj.Room;
+                var oldContainer = obj.Container;
 
                 obj.Direction = Direction.NORTH;
                 obj.Room = 65535;
                 obj.OnRotationChanged(state);
                 obj.OnZoomChanged(state);
+                obj.Container = null;
                 obj.Position = tilePosition;
                 obj.Draw(gd, state);
 
@@ -289,6 +294,7 @@ public Texture2D GetObjectThumb(ObjectComponent[] objects, Vector3[] positions,
                 //return everything to normal
                 obj.Direction = oldObjRot;
                 obj.Room = oldRoom;
+                obj.Container = oldContainer;
                 obj.UnmoddedPosition = oldObjPos;
                 obj.OnRotationChanged(state);
                 obj.OnZoomChanged(state);