Lets drones use silicon emotes (#90276)

## About The Pull Request
That's about it, gives drones the right to beep boop and buzz.
## Why It's Good For The Game
They're tiny little robots, they should be able to make robot noises.
Fun way to attempt very basic communication should someone start chasing
you with a newspaper
## Changelog
🆑
qol: Drones can use silicon emotes
/🆑

code/modules/mob/living/basic/drone/_drone.dm

@@ -210,6 +210,7 @@
 		TRAIT_SILICON_ACCESS,
 		TRAIT_REAGENT_SCANNER,
 		TRAIT_UNOBSERVANT,
+		TRAIT_SILICON_EMOTES_ALLOWED,
 	), INNATE_TRAIT)
 
 	listener = new(list(ALARM_ATMOS, ALARM_FIRE, ALARM_POWER), list(z))