[Bukkit] Stop using EnumMap for potential registry types

Biome broke in 1.21.3, Material could break in the future

Author: octylFractal

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitAdapter.java

@@ -52,10 +52,10 @@
 
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
-import java.util.EnumMap;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.Objects;
+import java.util.concurrent.ConcurrentHashMap;
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
@@ -367,6 +367,9 @@ public static GameMode adapt(org.bukkit.GameMode gameMode) {
         //FAWE end
     }
 
+    private static final Map<Biome, BiomeType> biomeBiomeTypeCache = new ConcurrentHashMap<>();
+    private static final Map<BiomeType, Biome> biomeTypeBiomeCache = new ConcurrentHashMap<>();
+
     /**
      * Create a WorldEdit BiomeType from a Bukkit one.
      *
@@ -403,8 +406,8 @@ public static org.bukkit.entity.EntityType adapt(EntityType entityType) {
         //FAWE end
     }
 
-    private static final EnumMap<Material, BlockType> materialBlockTypeCache = new EnumMap<>(Material.class);
-    private static final EnumMap<Material, ItemType> materialItemTypeCache = new EnumMap<>(Material.class);
+    private static final Map<Material, BlockType> materialBlockTypeCache = new ConcurrentHashMap<>();
+    private static final Map<Material, ItemType> materialItemTypeCache = new ConcurrentHashMap<>();
 
     /**
      * Converts a Material to a BlockType.

worldedit-bukkit/src/main/java/com/sk89q/worldedit/bukkit/BukkitBlockRegistry.java

@@ -28,10 +28,7 @@
 import com.sk89q.worldedit.world.registry.BundledBlockRegistry;
 import com.sk89q.worldedit.world.registry.PassthroughBlockMaterial;
 import org.bukkit.Material;
-import org.bukkit.block.data.BlockData;
-
 import javax.annotation.Nullable;
-import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;