Fix muzzle flash lights (#17843)

Content.Client/Weapons/Ranged/Systems/GunSystem.cs

@@ -270,8 +270,9 @@ public sealed partial class GunSystem : SharedGunSystem
         var ent = Spawn(message.Prototype, coordinates);
 
         var effectXform = Transform(ent);
-        effectXform.LocalRotation -= MathF.PI / 2;
+        TransformSystem.SetLocalPositionRotation(effectXform,
-        effectXform.LocalPosition += new Vector2(0f, -0.5f);
+            effectXform.LocalPosition + new Vector2(0f, -0.5f),
+            effectXform.LocalRotation - MathF.PI / 2);
 
         var lifetime = 0.4f;
 
@@ -301,14 +302,10 @@ public sealed partial class GunSystem : SharedGunSystem
 
         _animPlayer.Play(ent, anim, "muzzle-flash");
         var light = EnsureComp<PointLightComponent>(uid);
-
-        if (light.Enabled)
-            return;
-
         light.NetSyncEnabled = false;
-        light.Enabled = true;
+        Lights.SetEnabled(uid, true, light);
+        Lights.SetRadius(uid, 2f, light);
         light.Color = Color.FromHex("#cc8e2b");
-        light.Radius = 2f;
         light.Energy = 5f;
 
         var animTwo = new Animation()

Content.Shared/Weapons/Ranged/Systems/SharedGunSystem.cs

@@ -45,16 +45,17 @@ public abstract partial class SharedGunSystem : EntitySystem
     [Dependency] private   readonly RechargeBasicEntityAmmoSystem _recharge = default!;
     [Dependency] protected readonly SharedActionsSystem Actions = default!;
     [Dependency] protected readonly SharedAppearanceSystem Appearance = default!;
+    [Dependency] protected readonly SharedAudioSystem Audio = default!;
     [Dependency] private   readonly SharedCombatModeSystem _combatMode = default!;
     [Dependency] protected readonly SharedContainerSystem Containers = default!;
-    [Dependency] protected readonly SharedPhysicsSystem Physics = default!;
-    [Dependency] protected readonly SharedPopupSystem PopupSystem = default!;
-    [Dependency] protected readonly ThrowingSystem ThrowingSystem = default!;
-    [Dependency] protected readonly TagSystem TagSystem = default!;
-    [Dependency] protected readonly SharedAudioSystem Audio = default!;
     [Dependency] private   readonly SharedGravitySystem _gravity = default!;
+    [Dependency] protected readonly SharedPointLightSystem Lights = default!;
+    [Dependency] protected readonly SharedPopupSystem PopupSystem = default!;
+    [Dependency] protected readonly SharedPhysicsSystem Physics = default!;
     [Dependency] protected readonly SharedProjectileSystem Projectiles = default!;
     [Dependency] protected readonly SharedTransformSystem TransformSystem = default!;
+    [Dependency] protected readonly TagSystem TagSystem = default!;
+    [Dependency] protected readonly ThrowingSystem ThrowingSystem = default!;
 
     protected ISawmill Sawmill = default!;