Fix set block packet division

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

@@ -48,11 +48,11 @@ public class SetBlockPacketListener implements AxiomPacketListener {
         int z = getZ.invoke(pos);
 
         // Update blocks
-        if(RegionProtection.getProtection.apply(player, world).canBuildInSection(x >> 4, y >> 4, z >> 4)) {
+        if(RegionProtection.getProtection.apply(player, world).canBuildInSection(x / 16, y / 16, z / 16)) {
             if (updateNeighbors) {
                 setBlock.invoke(AxiomPaper.convert(player.getWorld()), pos, state, 3);
             } else {
-                ChunkSectionModifier section = new ChunkSectionModifier(player.getWorld(), x >> 4, y >> 4, z >> 4);
+                ChunkSectionModifier section = new ChunkSectionModifier(player.getWorld(), x / 16, y / 16, z / 16);
                 section.setState(x & 0xF, y & 0xF, z & 0xF, state);
                 section.finish();
             }