ignore cancelled events

Author: xGinko

AnarchyExploitFixesFolia/src/main/java/me/xginko/aef/modules/chunklimits/BlockLimit.java

@@ -205,7 +205,7 @@ private void sendPlayerNotification(Player player, Material block, int existing,
 
     @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
     private void onBlockCanBuild(BlockCanBuildEvent event) {
-        if (event.getPlayer() == null) return;
+        if (event.getPlayer() == null || !event.isBuildable()) return;
 
         if (!blockLimits.containsKey(event.getMaterial())) {
             return;