Updated Upstream (CraftBukkit) (#8680)

Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

CraftBukkit Changes:
2ed3e3e6e SPIGOT-7210: Fix structures in custom worlds
585ab5ba1 SPIGOT-7207: WorldCreator creates world as super flat even when normal is specified

patches/server/Expose-vanilla-BiomeProvider-from-WorldInfo.patch

@@ -23,7 +23,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 @@ -0,0 +0,0 @@ public final class CraftServer implements Server {
          List<CustomSpawner> list = ImmutableList.of(new PhantomSpawner(), new PatrolSpawner(), new CatSpawner(), new VillageSiege(), new WanderingTraderSpawner(worlddata));
-         LevelStem worlddimension = this.getServer().registries().compositeAccess().registryOrThrow(Registries.LEVEL_STEM).get(actualDimension);
+         LevelStem worlddimension = iregistry.get(actualDimension);
  
 -        WorldInfo worldInfo = new CraftWorldInfo(worlddata, worldSession, creator.environment(), worlddimension.type().value());
 +        WorldInfo worldInfo = new CraftWorldInfo(worlddata, worldSession, creator.environment(), worlddimension.type().value(), worlddimension.generator(), this.getHandle().getServer().registryAccess()); // Paper

patches/server/Fix-and-optimise-world-force-upgrading.patch

@@ -363,7 +363,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 --- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
 @@ -0,0 +0,0 @@ public final class CraftServer implements Server {
-         }
+         worlddata.customDimensions = iregistry;
          worlddata.checkName(name);
          worlddata.setModdedInfo(this.console.getServerModName(), this.console.getModdedStatus().shouldReportAsModified());
 -

work/CraftBukkit

@@ -1 +1 @@
-Subproject commit ab1586c2fb5fa7a381e6191e1137acc69aeebbf2
+Subproject commit 2ed3e3e6e50cb606709522d4476f98e9edc5e79c