Add commands to show and hide organs inside bodies (#2292)

* Add seeing entities through containers and on the context menu and 4 commands

* Remove unused imports

Content.Client/Commands/HideMechanismsCommand.cs

@@ -0,0 +1,49 @@
+using Content.Shared.GameObjects.Components.Body.Mechanism;
+using Robust.Client.Console;
+using Robust.Client.GameObjects;
+using Robust.Client.Interfaces.Console;
+using Robust.Shared.Containers;
+using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.IoC;
+
+namespace Content.Client.Commands
+{
+    public class HideMechanismsCommand : IConsoleCommand
+    {
+        public string Command => "hidemechanisms";
+        public string Description => $"Reverts the effects of {ShowMechanismsCommand.CommandName}";
+        public string Help => $"{Command}";
+
+        public bool Execute(IDebugConsole console, params string[] args)
+        {
+            var componentManager = IoCManager.Resolve<IComponentManager>();
+            var mechanisms = componentManager.EntityQuery<IMechanism>();
+
+            foreach (var mechanism in mechanisms)
+            {
+                if (!mechanism.Owner.TryGetComponent(out SpriteComponent sprite))
+                {
+                    continue;
+                }
+
+                sprite.ContainerOccluded = false;
+
+                var tempParent = mechanism.Owner;
+                while (ContainerHelpers.TryGetContainer(tempParent, out var container))
+                {
+                    if (!container.ShowContents)
+                    {
+                        sprite.ContainerOccluded = true;
+                        break;
+                    }
+
+                    tempParent = container.Owner;
+                }
+            }
+
+            IoCManager.Resolve<IClientConsole>().ProcessCommand("hidecontainedcontext");
+
+            return false;
+        }
+    }
+}