Toolshed part 2 (#18997)

* fixe

* Save work.

* Rune-aware parser.

* oogh

* pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests pass tests

* Publicizes a lot of common generic commands, so custom toolshed envs can include them.

* i think i might implode

* Tests.

* a

* b

* awa

---------

Co-authored-by: moonheart08 <moonheart08@users.noreply.github.com>

Content.Server/Polymorph/Toolshed/UnpolymorphCommand.cs

@@ -0,0 +1,30 @@
+using System.Linq;
+using Content.Server.Administration;
+using Content.Server.Polymorph.Systems;
+using Content.Shared.Administration;
+using Content.Shared.Polymorph;
+using Robust.Shared.Toolshed;
+using Robust.Shared.Toolshed.TypeParsers;
+
+namespace Content.Server.Polymorph.Toolshed;
+
+/// <summary>
+///     Undoes a polymorph, reverting the target to it's original form.
+/// </summary>
+[ToolshedCommand, AdminCommand(AdminFlags.Fun)]
+public sealed class UnpolymorphCommand : ToolshedCommand
+{
+    private PolymorphSystem? _system;
+
+    [CommandImplementation]
+    public EntityUid? Unpolymorph([PipedArgument] EntityUid input)
+    {
+        _system ??= GetSys<PolymorphSystem>();
+
+        return _system.Revert(input);
+    }
+
+    [CommandImplementation]
+    public IEnumerable<EntityUid> Unpolymorph([PipedArgument] IEnumerable<EntityUid> input)
+        => input.Select(Unpolymorph).Where(x => x is not null).Select(x => (EntityUid)x!);
+}