Add registry context to LootTableLoadEvent

[Matyrobbrt]

Closes #1625
Adds an AT for RegistryOps.lookupProvider to be able to extract it from method that only have a registry ops.

[neoforged-pr-publishing]

• Publish PR to GitHub Packages

Last commit published: 828b516b85d88540c4bcd1a0394a114786b3cba9.

PR Publishing

The artifacts published by this PR:

• 📦 net.neoforged:testframework:21.4.14-beta-pr-1677-gh-1625
• 📦 net.neoforged:neoforge:21.4.14-beta-pr-1677-gh-1625

Repository Declaration

In order to use the artifacts published by the PR, add the following repository to your buildscript:

repositories {
    maven {
        name 'Maven for PR #1677' // https://github.com/neoforged/NeoForge/pull/1677
        url 'https://prmaven.neoforged.net/NeoForge/pr1677'
        content {
            includeModule('net.neoforged', 'testframework')
            includeModule('net.neoforged', 'neoforge')
        }
    }
}

MDK installation

In order to setup a MDK using the latest PR version, run the following commands in a terminal.
The script works on both *nix and Windows as long as you have the JDK bin folder on the path.
The script will clone the MDK in a folder named NeoForge-pr1677.
On Powershell you will need to remove the -L flag from the curl invocation.

mkdir NeoForge-pr1677
cd NeoForge-pr1677
curl -L https://prmaven.neoforged.net/NeoForge/pr1677/net/neoforged/neoforge/21.4.14-beta-pr-1677-gh-1625/mdk-pr1677.zip -o mdk.zip
jar xf mdk.zip
rm mdk.zip || del mdk.zip

To test a production environment, you can download the installer from here.

[neoforged-compatibility-checks]

@Matyrobbrt, this PR introduces breaking changes.
Fortunately, this project is currently accepting breaking changes, but if they are not intentional, please revert them.
Last checked commit: 828b516b85d88540c4bcd1a0394a114786b3cba9.

neoforge (:neoforge)

• net/neoforged/neoforge/event/LootTableLoadEvent
  • <init>(Lnet/minecraft/resources/ResourceLocation;Lnet/minecraft/world/level/storage/loot/LootTable;)V: ❗ API method was removed
• net/neoforged/neoforge/event/EventHooks
  • loadLootTable(Lnet/minecraft/resources/ResourceLocation;Lnet/minecraft/world/level/storage/loot/LootTable;)Lnet/minecraft/world/level/storage/loot/LootTable;: ❗ API method was removed

[Shadows-of-Fire]

How did it end up that you added the lookup provider to the end of the args for loadLootTable but the front of the args for LoadLootTableEvent?