[Performance] Character Save Optimizations (#4851)

zone/mob.cpp

@@ -4621,8 +4621,12 @@ void Mob::SetZone(uint32 zone_id, uint32 instance_id)
 	{
 		CastToClient()->GetPP().zone_id = zone_id;
 		CastToClient()->GetPP().zoneInstance = instance_id;
+		CastToClient()->SaveCharacterData();
+	}
+
+	if (!IsClient()) {
+		Save(); // bots or other things might be covered here for some reason
 	}
-	Save();
 }
 
 void Mob::Kill() {