Make RA artillery actors attack the target center

Instead of closest targetable position/offset.
Applies to:
-Artillery
-Cruiser
-Missile Sub

mods/ra/rules/ships.yaml

@@ -113,6 +113,7 @@ MSUB:
 		LocalOffset: 0,-171,0, 0,171,0
 		FireDelay: 2
 	AttackFrontal:
+		AttackTargetCenter: true
 	SelectionDecorations:
 		VisualBounds: 44,44
 	AutoTarget:
@@ -225,6 +226,7 @@ CA:
 		RecoilRecovery: 34
 		MuzzleSequence: muzzle
 	AttackTurreted:
+		AttackTargetCenter: true
 	WithMuzzleOverlay:
 	SelectionDecorations:
 		VisualBounds: 44,44

mods/ra/rules/vehicles.yaml

@@ -243,6 +243,7 @@ ARTY:
 		LocalOffset: 624,0,208
 		MuzzleSequence: muzzle
 	AttackFrontal:
+		AttackTargetCenter: true
 	WithMuzzleOverlay:
 	Explodes:
 		Weapon: ArtilleryExplode