Use geodata to correct spawn z value.

L2J_Mobius_CT_2.6_HighFive/java/org/l2jmobius/gameserver/model/Spawn.java

@@ -392,6 +392,12 @@ public class Spawn extends Location implements IIdentifiable, INamable
 			}
 		}
 		
+		// Do not correct z of flying NPCs.
+		if (!npc.isFlying())
+		{
+			newlocz = GeoEngine.getInstance().getHeight(newlocx, newlocy, newlocz);
+		}
+		
 		npc.stopAllEffects();
 		
 		npc.setIsDead(false);