Add per-armament muzzle flashes. Fixes #3609.

mods/ra/maps/drop-zone-w/map.yaml

@@ -248,9 +248,12 @@ Rules:
 		Armament@PRIMARY:
 			Weapon:M60mg
 		Armament@SECONDARY:
+			Name: secondary
 			Weapon:M60mg
 		AttackFrontal:
-		WithMuzzleFlash:
+		WithMuzzleFlash@PRIMARY:
+		WithMuzzleFlash@SECONDARY:
+			Armament: secondary
 		MustBeDestroyed:
 		-GivesBounty:
 	PT:

mods/ra/rules/aircraft.yaml

@@ -145,6 +145,7 @@ YAK:
 		Weapon: ChainGun.Yak
 		LocalOffset: 256,-213,0
 	Armament@SECONDARY:
+		Name: secondary
 		Weapon: ChainGun.Yak
 		LocalOffset: 256,213,0
 	AttackPlane:
@@ -163,7 +164,9 @@ YAK:
 		ReloadTicks: 11
 	IronCurtainable:
 	ReturnOnIdle:
-	WithMuzzleFlash:
+	WithMuzzleFlash@PRIMARY:
+	WithMuzzleFlash@SECONDARY:
+		Armament: secondary
 	Contrail:
 		Offset: -853,0,0
 	LeavesHusk:
@@ -294,6 +297,7 @@ HIND:
 		Weapon: ChainGun
 		LocalOffset: 85,-213,-85
 	Armament@SECONDARY:
+		Name: secondary
 		Weapon: ChainGun
 		LocalOffset: 85,213,-85
 	AttackHeli:
@@ -314,7 +318,9 @@ HIND:
 	IronCurtainable:
 	Selectable:
 		Bounds: 38,32,0,0
-	WithMuzzleFlash:
+	WithMuzzleFlash@PRIMARY:
+	WithMuzzleFlash@SECONDARY:
+		Armament: secondary
 	LeavesHusk:
 		HuskActor: HIND.Husk
 	SmokeTrailWhenDamaged: