So if you put 4 candle in a decorated pot, the little candle at the hand is bugged and we only see the top part (ike the black thing where you put the flame).

How to reproduce?

1) Put a decorated pot on the floor

2) Put 4 candle in it

3) Look.

How to fix it?

I think you could just put the candle one pixel higher in the decorated pot and it will be fine (or maybe 2 if it still don't work/it's ugly)