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.Server/Commands/HideContainedContextCommand.cs

@@ -0,0 +1,26 @@
+#nullable enable
+using Content.Server.GameObjects.EntitySystems;
+using Robust.Server.Interfaces.Console;
+using Robust.Server.Interfaces.Player;
+using Robust.Shared.GameObjects.Systems;
+
+namespace Content.Server.Commands
+{
+    public class HideContainedContextCommand : IClientCommand
+    {
+        public string Command => "hidecontainedcontext";
+        public string Description => $"Reverts the effects of {ShowContainedContextCommand.CommandName}";
+        public string Help => $"{Command}";
+
+        public void Execute(IConsoleShell shell, IPlayerSession? player, string[] args)
+        {
+            if (player == null)
+            {
+                shell.SendText(player, "You need to be a player to use this command.");
+                return;
+            }
+
+            EntitySystem.Get<VerbSystem>().RemoveContainerVisibility(player);
+        }
+    }
+}