The real movement refactor (#9645)

* The real movement refactor

* ref events

* Jetpack cleanup

* a

* Vehicles partially working

* Balance tweaks

* Restore some shitcode

* AAAAAAAA

* Even more prediction

* ECS compstate trying to fix this

* yml

* vehicles kill me

* Don't lock keys

* a

* Fix problem

* Fix sounds

* shuttle inputs

* Shuttle controls

* space brakes

* Keybinds

* Fix merge

* Handle shutdown

* Fix keys

* Bump friction

* fix buckle offset

* Fix relay and friction

* Fix jetpack turning

* contexts amirite

Content.Shared/Vehicle/SharedVehicleSystem.Rider.cs

@@ -0,0 +1,20 @@
+using Content.Shared.Physics.Pull;
+using Content.Shared.Vehicle.Components;
+using Robust.Shared.Serialization;
+
+namespace Content.Shared.Vehicle;
+
+public abstract partial class SharedVehicleSystem
+{
+    [Serializable, NetSerializable]
+    protected sealed class RiderComponentState : ComponentState
+    {
+        public EntityUid? Entity;
+    }
+
+    private void OnRiderPull(EntityUid uid, RiderComponent component, PullAttemptEvent args)
+    {
+        if (component.Vehicle != null)
+            args.Cancelled = true;
+    }
+}