Fix stupid NPC. (#26868)

* init commit

* Review

---------

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Server/NPC/HTN/Preconditions/InContainerPrecondition.cs

@@ -0,0 +1,27 @@
+using Robust.Server.Containers;
+
+namespace Content.Server.NPC.HTN.Preconditions;
+
+/// <summary>
+/// Checks if the owner in container or not
+/// </summary>
+public sealed partial class InContainerPrecondition : HTNPrecondition
+{
+    private ContainerSystem _container = default!;
+
+    [ViewVariables(VVAccess.ReadWrite)] [DataField("isInContainer")] public bool IsInContainer = true;
+
+    public override void Initialize(IEntitySystemManager sysManager)
+    {
+        base.Initialize(sysManager);
+        _container = sysManager.GetEntitySystem<ContainerSystem>();
+    }
+
+    public override bool IsMet(NPCBlackboard blackboard)
+    {
+        var owner = blackboard.GetValue<EntityUid>(NPCBlackboard.Owner);
+
+        return IsInContainer && _container.IsEntityInContainer(owner) ||
+               !IsInContainer && !_container.IsEntityInContainer(owner);
+    }
+}