Fix Biome coordinate translation

src/main/java/com/moulberry/axiom/packet/SetBlockBufferPacketListener.java

@@ -87,8 +87,8 @@ public class SetBlockBufferPacketListener implements AxiomPacketListener {
     private void applyBiomeBuffer(World world, BiomeBuffer biomeBuffer) {
         Set<Chunk> changedChunks = new HashSet<>();
         biomeBuffer.forEachEntry((x, y, z, biome) -> {
-            world.setBiome(x << 2, y << 2, z << 2, biome);
-            changedChunks.add(world.getChunkAt(x << 2, z << 2));
+            world.setBiome(x*4, y*4, z*4, biome);
+            changedChunks.add(world.getChunkAt(x*4, z*4));
         });
 
         ServerLevel level = AxiomPaper.convert(world);