Add maxDurability field, fix handling item sent by server with new sentByServer arg

[extremeheat]

No description provided.

[frej4189]

This will still cause issues in mineflayer when using anvil on items with full durability in 1.13/1.14 due to

prismarine-item/lib/anvil.js

Line 47 in 6ce147e

if (itemOne.name !== 'enchanted_book') finalItem.durabilityUsed = itemOne.durabilityUsed - data.fixedDurability

[extremeheat]

OK, so I guess in vanilla it only updates the item damage if the anvil changed the item's durability? Seems so per my comment in #105. In which case simply not updating the durability if it didn't change seems like the more correct solution.

[frej4189]

Upon further inspection the combine function in anvil.js seems to have a lot of flaws that will need to be addressed. So I think it makes sense to merge this PR as-is and then address anvil issues in another PR

[rom1504]

@extremeheat can you open the corresponding PR in mineflayer so we make sure it works ?

[frej4189]

@extremeheat can you open the corresponding PR in mineflayer so we make sure it works ?

Updated my test PR to depend on this PR instead of #105

[rom1504]

/makerelease 1.14.0