Fix sonic boom duration ticking below zero

core/src/main/java/org/geysermc/geyser/entity/type/living/monster/WardenEntity.java

@@ -80,11 +80,14 @@ public class WardenEntity extends MonsterEntity implements Tickable {
             session.sendUpstreamPacket(packet);
         }
 
-        if (--sonicBoomTickDuration == 0) {
+        if (sonicBoomTickDuration > 0) {
+            sonicBoomTickDuration--;
+            if (sonicBoomTickDuration == 0) {
                 setFlag(EntityFlag.SONIC_BOOM, false);
                 updateBedrockMetadata();
             }
         }
+    }
 
     public void onSonicBoom() {
         setFlag(EntityFlag.SONIC_BOOM, true);