Chestbursting larva no longer get hive orders when there are no hive …

…orders (#5576)

# About the pull request

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If there are no hiveorders, larva that chest burst no longer are told
that their orders are to "".

# Explain why it's good for the game
Its not very helpful when theres no orders.

![image](https://github.com/cmss13-devs/cmss13/assets/91113370/1170f802-f66d-4745-ad16-4300181d017c)



# Testing Photographs and Procedure
<details>
<summary>Screenshots & Videos</summary>


![image](https://github.com/cmss13-devs/cmss13/assets/91113370/dfc90648-aefa-42a8-a71c-fc9ed064a541)

</details>


# Changelog
:cl:
fix: Chestbursting larva no longer get hive orders when there are no
hive orders
/:cl:

code/modules/mob/living/carbon/xenomorph/Embryo.dm

@@ -355,8 +355,9 @@
 			qdel(larva_embryo)
 
 		if(!victim.first_xeno)
-			to_chat(larva_embryo, SPAN_XENOHIGHDANGER("The Queen's will overwhelms our instincts..."))
-			to_chat(larva_embryo, SPAN_XENOHIGHDANGER("\"[hive.hive_orders]\""))
+			if(hive.hive_orders)
+				to_chat(larva_embryo, SPAN_XENOHIGHDANGER("The Queen's will overwhelms our instincts..."))
+				to_chat(larva_embryo, SPAN_XENOHIGHDANGER("\"[hive.hive_orders]\""))
 			log_attack("[key_name(victim)] chestbursted in [get_area_name(larva_embryo)] at X[victim.x], Y[victim.y], Z[victim.z]. The larva was [key_name(larva_embryo)].") //this is so that admins are not spammed with los logs
 
 	for(var/obj/item/alien_embryo/AE in victim)