fix no gravity

SpigotCore_Main/src/de/steamwar/entity/REntity.java

@@ -85,6 +85,8 @@ public class REntity {
 
         this.itemSlots = entityType == EntityType.PLAYER ? new HashMap<>() : null;
 
+        this.noGravity = false;
+
         server.addEntity(this);
     }
 
@@ -190,7 +192,8 @@ public class REntity {
 
     public void setNoGravity(boolean noGravity) {
         this.noGravity = noGravity;
-        server.updateEntity(this,getDataWatcherPacket(noGravityDataWatcher,getEntityStatus()));
+        if(Core.getVersion() > 8)
+            server.updateEntity(this,getDataWatcherPacket(noGravityDataWatcher,noGravity));
     }
 
     private static int spawnPacketOffset() {
@@ -240,7 +243,7 @@ public class REntity {
         }
 
         if(noGravity)
-            packetSink.accept(getDataWatcherPacket(noGravityDataWatcher,getEntityStatus()));
+            packetSink.accept(getDataWatcherPacket(noGravityDataWatcher,this.noGravity));
     }
 
     void tick() {