Implement IFluidHandlerItem capability for EdelwoodBucketItem

[all-yall]

Full disclosure that I am trying to get into Minecraft modding by fixing issues on existing mods, so feedback is very much appreciated.

I took a look at this issue that talked about cross mod compatibility and the edelwood bucket. I determined the root issue to be that edelwood bucket inherits the capabilities of its parent which don't work correctly for it. So here is an implementation of the IFluidHandlerItem for the edelwood bucket.

I modeled the bucket as having two internal tanks, one for water and one for lava. This allowed properly receiving different quantities of the two fluids instead of having one max capacity. Additionally, once on of the tanks has any liquid, the other will not take any.

[all-yall]

Just realized that MobBucket extends EdelwoodBucket, so I should update the PR to return null for the initCapabilities function un that class.

Right now there could be some funky interaction if one tried to fill a chicken Bucket with a create spout.

[stal111]

Hi, thanks for your effort. While this seems to fix the issue, I'm not sure whether I really like the solution. I think it would have been better if the capability only had one tank and the max capability gets passed through a constructor parameter. This would also be better for possible addon mods adding their own Edelwood Bucket item instances.