cauldron inconsistancies

Using a water bucket on a lava-filled cauldron fill replace the lava and the same goes for the reverse, using a water bucket on a water-filled cauldon will also use the water in the cauldron but the use of a lava bucket on a lava-filled cauldron will endup placing the lava source above the cauldron. also, you cannot pickup a filled cauldron with the middle mouse click. Also, the water bucket sound is used when you fill a cauldron with lava.

here is a short 32seconds demonstration video : https://youtu.be/NOikXJ2djwk (the file was 15MB)