Xeno eggs now take finger prints (#5975)

# About the pull request

Eggs haven't taken fingerprints for 5 years.

# Explain why it's good for the game
# Testing Photographs and Procedure
<details>
<summary>Screenshots & Videos</summary>

Put screenshots and videos here with an empty line between the
screenshots and the `<details>` tags.

</details>


# Changelog
:cl:
admin: Xeno eggs now take fingerprints.
/:cl:

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

@@ -5,7 +5,7 @@
 	icon = 'icons/mob/xenos/effects.dmi'
 	icon_state = "egg_item"
 	w_class = SIZE_MASSIVE
-	flags_atom = OPENCONTAINER
+	flags_atom = FPRINT|OPENCONTAINER
 	flags_item = NOBLUDGEON
 	throw_range = 1
 	layer = MOB_LAYER