Fix bounding box fixes on Paper 1.20.5+

Fixes support with Paper 1.20.5+ since they decided to not relocate CraftBukkit anymore.
Closes https://github.com/ViaVersion/ViaRewind-Legacy-Support/issues/78

src/main/java/com/viaversion/viarewind/legacysupport/feature/BlockCollisionChanges.java

@@ -18,7 +18,6 @@
 
 package com.viaversion.viarewind.legacysupport.feature;
 
-import com.viaversion.viarewind.legacysupport.BukkitPlugin;
 import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
 
 import java.lang.reflect.Field;
@@ -82,7 +81,8 @@ public class BlockCollisionChanges {
             case "AxisAlignedBB": // Legacy NMS
                 setAxisAlignedBB(boundingBox, values);
                 break;
-            case "VoxelShapeArray": // Paper
+            case "VoxelShapeArray": // Paper 1.20.4-
+            case "ArrayVoxelShape": // Paper 1.20.5+
                 setVoxelShapeArray(boundingBox, values);
                 break;
             case "AABBVoxelShape": // Tuinity

src/main/java/com/viaversion/viarewind/legacysupport/util/NMSUtil.java

@@ -35,7 +35,9 @@ public class NMSUtil {
     private static Field playerConnectionField;
 
     static {
-        nmsVersionPackage = Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3];
+        if (BukkitPlugin.getInstance().getServerProtocol().olderThan(ProtocolVersion.v1_17)) {
+            nmsVersionPackage = Bukkit.getServer().getClass().getPackage().getName().split("\\.")[3];
+        }
     }
 
     public static Class<?> getBlockPositionClass() {