Java Style Underwater Door Air Pockets

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Adds the feature from Java, which makes air pockets when a door is placed underwater.

I looked for something like this for 1.21+ but couldn't find one, so I made my own.

IMPORTANT: 

IF IT DOES NOT WORK, TRY TURNING ON BETA API IN THE EXPERIMENTS TAB

If it doesn't work at all, please notify me, and I will try to fix it :)

Oh and before you leave, donations are greatly appreciated 

https://gofund.me/38f028c3b