Refactor ExtinguisherCabinet->ItemCabinet and actually maps them in, adds EntityWhitelist (#4154)

* i probably shouldnt have done this in one commit

* map nonsense

* fix example code

* unnecessary

* test

* reviews

* little fix for open datafield

* add soul

Content.Client/GameObjects/Components/ItemCabinetVisualizer.cs

@@ -0,0 +1,51 @@
+using System.ComponentModel.DataAnnotations;
+using Content.Shared.GameObjects.Components;
+using JetBrains.Annotations;
+using Robust.Client.GameObjects;
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Content.Client.GameObjects.Components
+{
+    [UsedImplicitly]
+    public class ItemCabinetVisualizer : AppearanceVisualizer
+    {
+        // TODO proper layering
+        [DataField("fullState", required: true)]
+        private string _fullState = default!;
+
+        [DataField("emptyState", required: true)]
+        private string _emptyState = default!;
+
+        [DataField("closedState", required: true)]
+        private string _closedState = default!;
+
+        public override void OnChangeData(AppearanceComponent component)
+        {
+            base.OnChangeData(component);
+
+            if (component.Owner.TryGetComponent<SpriteComponent>(out var sprite)
+                && component.TryGetData(ItemCabinetVisuals.IsOpen, out bool isOpen))
+            {
+                if (isOpen)
+                {
+                    if (component.TryGetData(ItemCabinetVisuals.ContainsItem, out bool contains))
+                    {
+                        if (contains)
+                        {
+                            sprite.LayerSetState(0, _fullState);
+                        }
+                        else
+                        {
+                            sprite.LayerSetState(0, _emptyState);
+                        }
+
+                    }
+                }
+                else
+                {
+                    sprite.LayerSetState(0, _closedState);
+                }
+            }
+        }
+    }
+}