smaller lavaCast detector to prevent natural flow detection

craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/security/antiGrief/listener/LiquidRelatedGriefListener.java

@@ -30,7 +30,7 @@ public class LiquidRelatedGriefListener extends ApplianceListener<AntiGrief> {
 
     @EventHandler
     public void lavaCast(BlockFormEvent event) {
-        if(!List.of(Material.COBBLESTONE, Material.STONE, Material.OBSIDIAN).contains(event.getNewState().getType())) return;
+        if(!event.getNewState().getType().equals(Material.COBBLESTONE)) return;
         this.getAppliance().trackPassive(
             event.getBlock().getChunk(),
             new AntiGrief.GriefIncident(