* Rename Gson fields in some classes to GSON
* Name some methods in RecipesProvider
Also a param fix in InventoryChangedCriterion's constructor.
* Rename field in LootTablesProvider
* Rename some methods in AbstractTagProvider
* Name some methods in AdventureTabAdvancementGenerator
* Rename some fields and methods for BlockLootTableGenerator
* Rename some fields and methods in EntityToolTableGenerator and EntityType
* Rename fields in FishingLootTableGenerator
These were loot condition constants checking for biomes.
* Rename fields and methods in HusbandryTabAdvancementGenerator
* method_10422 -> RecipesProvider.requireEnteringFluid
* Rename parameters to SnbtProvider.CompressedData
* Rename some fields and methods in NbtProvider
* method_10422 -> ItemListProvider#toJson
* NEED_ and REQUIRE_ -> NEEDS
* Remove 'loot table' and 'block' in BlockLootTableGenerator method names
Suggested by liach.
* Fix names in EntityLootTableGenerator to align with standards
* Stuff
* more stuff
* even more stuff
* removed an accidental thing
* stuff 4: electric boogaloo
* Update BlockState.mapping
* Stuff VI: The Search for Stuff V
* Update NativeImage.mapping
* removed things already mapped by Rune's PR
Namely `net/minecraft/realms/YesNoScreen' (`com/mojang/realmsclient/gui/screens/RealmsConfirmScreen` in Rune's PR), `net/minecraft/realms/RealmsError' (`com/mojang/realmsclient/client/RealmsError` in Rune's PR), and `net/minecraft/realms/InvalidClientScreen' (`com/mojang/realmsclient/gui/screens/RealmsClientOutdatedScreen` in Rune's PR).
* Stuff: The Final Stuffening
* Stuff: Revengeance
* Stuff Episode IX: Endgame