Fix reentrant error.

Author: IzzelAliz

src/api/java/io/izzel/mesmerize/api/event/StatsRefreshEvent.java

@@ -17,7 +17,7 @@ public StatsRefreshEvent(@NotNull Entity what, StatsSet statsSet) {
         this.statsSet = statsSet;
     }
 
-    public StatsSet statsSet() {
+    public StatsSet getStatsSet() {
         return statsSet;
     }
 

src/main/java/io/izzel/mesmerize/impl/event/AttributeListener.java

@@ -41,7 +41,7 @@ public AttributeListener() {
     public void onRefresh(StatsRefreshEvent event) {
         Entity entity = event.getEntity();
         if (entity instanceof LivingEntity) {
-            StatsSet statsSet = StatsSet.of(entity);
+            StatsSet statsSet = event.getStatsSet();
             AttributeInstance attribute = ((LivingEntity) entity).getAttribute(Attribute.GENERIC_MAX_HEALTH);
             if (attribute != null) {
                 Optional<StatsNumber<Double>> health = DefaultStats.HEALTH.tryApply(statsSet, event);

src/main/java/io/izzel/mesmerize/impl/service/SimpleStatsService.java

@@ -51,7 +51,8 @@ public class SimpleStatsService implements StatsService {
             Callable<StatsSet> callable = () -> {
                 StatsSet statsSet = new StatsSet();
                 newEntityReader(entity).accept(statsSet, VisitMode.VALUE);
-                Bukkit.getPluginManager().callEvent(new StatsRefreshEvent(entity, statsSet));
+                Bukkit.getScheduler().runTask(Mesmerize.instance(),
+                    () -> Bukkit.getPluginManager().callEvent(new StatsRefreshEvent(entity, statsSet)));
                 return statsSet;
             };
             if (Bukkit.isPrimaryThread()) {