Projectile effects - Part 3

- Fixes for turrets, rogue drones, and emitters
- Removed muzzle flash from chem darts
- Converted emitters to use spanclasses and have correct capitalization

code/modules/projectiles/guns/projectile/dartgun.dm

@@ -6,6 +6,8 @@
 	embed = 1 //the dart is shot fast enough to pierce space suits, so I guess splintering inside the target can be a thing. Should be rare due to low damage.
 	var/reagent_amount = 15
 	kill_count = 15 //shorter range
+	
+	muzzle_type = null
 
 /obj/item/projectile/bullet/chemdart/New()
 	reagents = new/datum/reagents(reagent_amount)