Refactor disposals to ECS (#4418)

* ECS up disposals

Also significantly reduced its CPU usage.

* Make update significantly less S L O W

* Start units pressurised

* Client-side flush lerping

* Fix powered not toggling UI

* Fix flush button

* InteractUsing

* Minor optimisations

* Fix collisions

* Make visual state ECS

* Almost done with shared

* Most stuff moved

* Optimise item sleeping

Content.Client/Disposal/Components/DisposalUnitComponent.cs

@@ -8,6 +8,16 @@ namespace Content.Client.Disposal.Components
     [ComponentReference(typeof(SharedDisposalUnitComponent))]
     public class DisposalUnitComponent : SharedDisposalUnitComponent
     {
+        public DisposalUnitBoundUserInterfaceState? UiState;
+
+        public override void HandleComponentState(ComponentState? curState, ComponentState? nextState)
+        {
+            base.HandleComponentState(curState, nextState);
+            if (curState is not DisposalUnitComponentState state) return;
+
+            RecentlyEjected = state.RecentlyEjected;
+        }
+
         public override bool DragDropOn(DragDropEvent eventArgs)
         {
             return false;