Add scroll zooming for admins and ghosts (#14061)

* Add scroll zooming for admins

* Bunch of work

* Kinda better kinda worse scrolling

* shared code

* nyoom

* house md

* Fixes

* Log spam

* Fixes

---------

Co-authored-by: metalgearsloth <metalgearsloth@gmail.com>

Content.Client/Movement/Systems/ContentEyeSystem.cs

@@ -0,0 +1,26 @@
+using Content.Shared.Movement.Components;
+using Content.Shared.Movement.Systems;
+using Robust.Client.GameObjects;
+using Robust.Client.Player;
+
+namespace Content.Client.Movement.Systems;
+
+public sealed class ContentEyeSystem : SharedContentEyeSystem
+{
+    [Dependency] private readonly IPlayerManager _player = default!;
+
+    public override void Update(float frameTime)
+    {
+        base.Update(frameTime);
+
+        var localPlayer = _player.LocalPlayer?.ControlledEntity;
+
+        if (!TryComp<ContentEyeComponent>(localPlayer, out var content) ||
+            !TryComp<EyeComponent>(localPlayer, out var eye))
+        {
+            return;
+        }
+
+        UpdateEye(localPlayer.Value, content, eye, frameTime);
+    }
+}