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.Server/Body/Systems/BrainSystem.cs

@@ -40,8 +40,7 @@ namespace Content.Server.Body.Systems
                 Comp<GhostOnMoveComponent>(newEntity).MustBeDead = true;
 
             // TODO: This is an awful solution.
-            if (!EntityManager.HasComponent<IMoverComponent>(newEntity))
-                EntityManager.AddComponent<SharedDummyInputMoverComponent>(newEntity);
+            EnsureComp<InputMoverComponent>(newEntity);
 
             oldMind.Mind?.TransferTo(newEntity);
         }