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/Components/InVehicleComponent.cs

@@ -1,16 +1,17 @@
+using Robust.Shared.GameStates;
+
 namespace Content.Shared.Vehicle.Components
 {
     /// <summary>
     /// Added to objects inside a vehicle to stop people besides the rider from
     /// removing them.
     /// </summary>
-    [RegisterComponent]
+    [RegisterComponent, NetworkedComponent]
     public sealed class InVehicleComponent : Component
     {
         /// <summary>
         /// The vehicle this rider is currently riding.
         /// </summary>
-        [ViewVariables]
-        public VehicleComponent Vehicle = default!;
+        [ViewVariables] public VehicleComponent? Vehicle;
     }
 }