Fix effects (#27533)

* Fix effects

- Fix muzzle flash rotations.
- Fix effects so they update every frame.
- Fix effects tanking client performance.

* Fix merge artifact

Content.Client/Animations/TrackUserComponent.cs

@@ -0,0 +1,17 @@
+using System.Numerics;
+
+namespace Content.Client.Animations;
+
+/// <summary>
+/// Entities with this component tracks the user's world position every frame.
+/// </summary>
+[RegisterComponent]
+public sealed partial class TrackUserComponent : Component
+{
+    public EntityUid? User;
+
+    /// <summary>
+    /// Offset in the direction of the entity's rotation.
+    /// </summary>
+    public Vector2 Offset = Vector2.Zero;
+}